https://hvacdirectusa.com/products/filter-king-16x46x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-x-46-x-75-fk16x46x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2737d2c8-ebee-431b-9c7e-ff6d19daa3b4.jpg?v=1781244118 Filter King 16x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 46 x .75" - FK16x46x1A-M8-4 Filter King 16x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 46 x .75" - FK16x46x1A-M8-4 https://hvacdirectusa.com/products/filter-king-16x47-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-x-47-5-x-75-fk16x47-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_cb60aa36-3047-413d-822a-ff160cec8611.jpg?v=1781244117 Filter King 16x47.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 47.5 x .75" - FK16x47.5x1A-M8-4 Filter King 16x47.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 47.5 x .75" - FK16x47.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-16x47x1-air-filter-merv-8-4-pack-dust-allergy-control-ac-furnace-filters-made-in-usa-hvac-pleated-electrostatic-actual-size-16-x-47-x-75-fk16x47x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8bd22fa5-3fc5-4c57-9ddd-098e68f6678d.jpg?v=1781244116 Filter King 16x47x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 16 x 47 x .75) - FK16x47x1A-M8-4 Filter King 16x47x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 16 x 47 x .75) - FK16x47x1A-M8-4 https://hvacdirectusa.com/products/filter-king-16x48x1-air-filter-merv-8-4-pack-dust-allergy-control-ac-furnace-filters-made-in-usa-hvac-pleated-electrostatic-actual-size-16-x-48-x-75-fk16x48x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_74dab5a8-0485-45e4-b848-896ebe8e5689.jpg?v=1781244115 Filter King 16x48x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 16 x 48 x .75) - FK16x48x1A-M8-4 Filter King 16x48x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 16 x 48 x .75) - FK16x48x1A-M8-4 https://hvacdirectusa.com/products/filter-king-16x49x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-x-49-x-75-fk16x49x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f3440e95-9e1f-400e-85b5-c7b4ad9b0d30.jpg?v=1781244114 Filter King 16x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 49 x .75" - FK16x49x1A-M8-4 Filter King 16x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 49 x .75" - FK16x49x1A-M8-4 https://hvacdirectusa.com/products/filter-king-16x4x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-x-4-x-75-fk16x4x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_bedc2b83-3184-4a0d-92a4-7252a3040f2e.jpg?v=1781244113 Filter King 16x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 4 x .75" - FK16x4x1A-M8-4 Filter King 16x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 4 x .75" - FK16x4x1A-M8-4 https://hvacdirectusa.com/products/filter-king-16x5-5x1-air-filter-merv-8-4-pack-dust-allergy-control-ac-furnace-filters-made-in-usa-hvac-pleated-electrostatic-actual-size-16-x-5-5-x-75-fk16x5-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3866185e-1d39-4d58-8697-f89e2b1e9840.jpg?v=1781244112 Filter King 16x5.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 16 x 5.5 x .75) - FK16x5.5x1A-M8-4 Filter King 16x5.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 16 x 5.5 x .75) - FK16x5.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-16x50-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-x-50-5-x-75-fk16x50-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8cf21ad9-5e79-49ef-8b8e-b9b96328805c.jpg?v=1781244111 Filter King 16x50.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 50.5 x .75" - FK16x50.5x1A-M8-4 Filter King 16x50.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 50.5 x .75" - FK16x50.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-16x50x1-air-filter-merv-8-4-pack-dust-allergy-control-ac-furnace-filters-made-in-usa-hvac-pleated-electrostatic-actual-size-16-x-50-x-75-fk16x50x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_44769852-f690-4d10-a7b9-e86fb4360f56.jpg?v=1781244110 Filter King 16x50x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 16 x 50 x .75) - FK16x50x1A-M8-4 Filter King 16x50x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 16 x 50 x .75) - FK16x50x1A-M8-4 https://hvacdirectusa.com/products/filter-king-16x51-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-x-51-5-x-75-fk16x51-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_51755877-13df-4452-b58b-91f62e8322f4.jpg?v=1781244109 Filter King 16x51.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 51.5 x .75" - FK16x51.5x1A-M8-4 Filter King 16x51.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 51.5 x .75" - FK16x51.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-16x51x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-x-51-x-75-fk16x51x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_68b5a9d1-bc62-4114-a0d1-5aa11ed053f3.jpg?v=1781244108 Filter King 16x51x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 51 x .75" - FK16x51x1A-M8-4 Filter King 16x51x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 51 x .75" - FK16x51x1A-M8-4 https://hvacdirectusa.com/products/filter-king-16x52x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-x-52-x-75-fk16x52x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_eff64f0a-16c6-4f50-9510-e0b82be01687.jpg?v=1781244106 Filter King 16x52x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 52 x .75" - FK16x52x1A-M8-4 Filter King 16x52x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 52 x .75" - FK16x52x1A-M8-4 https://hvacdirectusa.com/products/filter-king-16x54x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-x-54-x-75-fk16x54x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_24bd1242-5a54-4785-b674-0de4cd2d7a4e.jpg?v=1781244105 Filter King 16x54x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 54 x .75" - FK16x54x1A-M8-4 Filter King 16x54x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 54 x .75" - FK16x54x1A-M8-4 https://hvacdirectusa.com/products/filter-king-16x55x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-x-55-x-75-fk16x55x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1958cd35-4bbf-4f75-9c91-bdb7705f1195.jpg?v=1781244107 Filter King 16x55x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 55 x .75" - FK16x55x1A-M8-4 Filter King 16x55x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 55 x .75" - FK16x55x1A-M8-4 https://hvacdirectusa.com/products/filter-king-16x56x1-air-filter-merv-8-4-pack-dust-allergy-control-ac-furnace-filters-made-in-usa-hvac-pleated-electrostatic-actual-size-16-x-56-x-75-fk16x56x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_dd1ee6c0-ebcf-4a8c-84b2-7aa6097317aa.jpg?v=1781244103 Filter King 16x56x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 16 x 56 x .75) - FK16x56x1A-M8-4 Filter King 16x56x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 16 x 56 x .75) - FK16x56x1A-M8-4 https://hvacdirectusa.com/products/filter-king-16x57-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-x-57-5-x-75-fk16x57-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b5f019ab-62ae-4f55-b122-917941abd4d7.jpg?v=1781244102 Filter King 16x57.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 57.5 x .75" - FK16x57.5x1A-M8-4 Filter King 16x57.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 57.5 x .75" - FK16x57.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-16x58-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-x-58-5-x-75-fk16x58-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5ff49226-8fab-48bc-b030-1594f58c3734.jpg?v=1781244101 Filter King 16x58.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 58.5 x .75" - FK16x58.5x1A-M8-4 Filter King 16x58.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 58.5 x .75" - FK16x58.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-16x58x1-air-filter-4-pack-merv-8-actual-size-16-x-58-x-75-fk16x58x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4d4dd89a-fd7b-4b02-9852-24c9044e55c8.jpg?v=1781244100 Filter King 16x58x1 Air Filter 4-PACK MERV 8 Actual Size 16 x 58 x .75" - FK16x58x1A-M8-4 Filter King 16x58x1 Air Filter 4-PACK MERV 8 Actual Size 16 x 58 x .75" - FK16x58x1A-M8-4 https://hvacdirectusa.com/products/filter-king-16x59x1-air-filter-4-pack-merv-8-actual-size-16-x-59-x-75-fk16x59x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0fa443da-ac0c-45c0-8522-bf5115dc26cc.jpg?v=1781244099 Filter King 16x59x1 Air Filter 4-PACK MERV 8 Actual Size 16 x 59 x .75" - FK16x59x1A-M8-4 Filter King 16x59x1 Air Filter 4-PACK MERV 8 Actual Size 16 x 59 x .75" - FK16x59x1A-M8-4 https://hvacdirectusa.com/products/filter-king-16x5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-x-5-x-75-fk16x5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1ec061db-1747-43be-a069-6e0d38a5254f.jpg?v=1781244099 Filter King 16x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 5 x .75" - FK16x5x1A-M8-4 Filter King 16x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 5 x .75" - FK16x5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-16x60x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-x-60-x-75-fk16x60x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8ec0975e-5fd8-406f-b3bd-402b285c67ce.jpg?v=1781244098 Filter King 16x60x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 60 x .75" - FK16x60x1A-M8-4 Filter King 16x60x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 60 x .75" - FK16x60x1A-M8-4 https://hvacdirectusa.com/products/filter-king-16x61-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-x-61-5-x-75-fk16x61-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_12554841-0669-4939-aa0b-3eab91f52a46.jpg?v=1781244097 Filter King 16x61.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 61.5 x .75" - FK16x61.5x1A-M8-4 Filter King 16x61.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 61.5 x .75" - FK16x61.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-16x61x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-x-61-x-75-fk16x61x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d3a4ba12-35c4-4840-b70f-6bcfa7a94e5c.jpg?v=1781244096 Filter King 16x61x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 61 x .75" - FK16x61x1A-M8-4 Filter King 16x61x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 61 x .75" - FK16x61x1A-M8-4 https://hvacdirectusa.com/products/filter-king-16x63-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-x-63-5-x-75-fk16x63-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6d042537-635c-430b-a785-8c542880d613.jpg?v=1781244096 Filter King 16x63.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 63.5 x .75" - FK16x63.5x1A-M8-4 Filter King 16x63.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 63.5 x .75" - FK16x63.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-16x63x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-x-63-x-75-fk16x63x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9596aa06-b37f-4b56-b2c7-282972fc5e95.jpg?v=1781244095 Filter King 16x63x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 63 x .75" - FK16x63x1A-M8 -4 Filter King 16x63x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 63 x .75" - FK16x63x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-16x63x1-air-filter-4-pack-merv-8-actual-size-16-x-63-x-75-fk16x63x1a-m8-12 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c059b3fc-2bbb-4b5f-8885-29286c63665f.jpg?v=1781244094 Filter King 16x63x1 Air Filter 4-PACK MERV 8 Actual Size 16 x 63 x .75" - FK16x63x1A-M8-12 Filter King 16x63x1 Air Filter 4-PACK MERV 8 Actual Size 16 x 63 x .75" - FK16x63x1A-M8-12 https://hvacdirectusa.com/products/filter-king-16x64-5x1-air-filter-4-pack-merv-8-actual-size-16-x-64-5-x-75-fk16x64-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_40b89963-d1b7-41c7-8059-03fd0dc54a86.jpg?v=1781244093 Filter King 16x64.5x1 Air Filter 4-PACK MERV 8 Actual Size 16 x 64.5 x .75" - FK16x64.5x1A-M8-4 Filter King 16x64.5x1 Air Filter 4-PACK MERV 8 Actual Size 16 x 64.5 x .75" - FK16x64.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-16x64x1-air-filter-merv-8-4-pack-dust-allergy-control-ac-furnace-filters-made-in-usa-hvac-pleated-electrostatic-actual-size-16-x-64-x-75-fk16x64x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_936c5b15-7ee9-4d0c-9f02-838a8a8ab633.jpg?v=1781244092 Filter King 16x64x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 16 x 64 x .75) - FK16x64x1A-M8-4 Filter King 16x64x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 16 x 64 x .75) - FK16x64x1A-M8-4 https://hvacdirectusa.com/products/filter-king-16x65-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-x-65-5-x-75-fk16x65-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_55373d2d-314d-4842-a8ff-b25b5f5ed6c8.jpg?v=1781244092 Filter King 16x65.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 65.5 x .75" - FK16x65.5x1A-M8-4 Filter King 16x65.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 65.5 x .75" - FK16x65.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-16x65x1-air-filter-4-pack-merv-8-actual-size-16-x-65-x-75-fk16x65x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_423ed3ce-afe2-4748-a56a-69485381697d.jpg?v=1781244091 Filter King 16x65x1 Air Filter 4-PACK MERV 8 Actual Size 16 x 65 x .75" - FK16x65x1A-M8-4 Filter King 16x65x1 Air Filter 4-PACK MERV 8 Actual Size 16 x 65 x .75" - FK16x65x1A-M8-4 https://hvacdirectusa.com/products/filter-king-16x66x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-x-66-x-75-fk16x66x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_52695bce-9be5-40e3-9929-303518b81860.jpg?v=1781244090 Filter King 16x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 66 x .75" - FK16x66x1A-M8-4 Filter King 16x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 66 x .75" - FK16x66x1A-M8-4 https://hvacdirectusa.com/products/filter-king-16x6x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-x-6-x-75-fk16x6x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9543a3c2-3029-4f86-bb50-686ccb87daa8.jpg?v=1781244090 Filter King 16x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 6 x .75" - FK16x6x1A-M8-4 Filter King 16x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 6 x .75" - FK16x6x1A-M8-4 https://hvacdirectusa.com/products/filter-king-16x7-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-x-7-5-x-75-fk16x7-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f12de518-5fac-47c2-a304-8032bd599870.jpg?v=1781244089 Filter King 16x7.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 7.5 x .75" - FK16x7.5x1A-M8-4 Filter King 16x7.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 7.5 x .75" - FK16x7.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-16x7x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-x-7-x-75-fk16x7x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d7ab9033-ec3a-45ae-9279-c3c8b8e465f1.jpg?v=1781244088 Filter King 16x7x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 7 x .75" - FK16x7x1A-M8-4 Filter King 16x7x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 7 x .75" - FK16x7x1A-M8-4 https://hvacdirectusa.com/products/filter-king-16x8-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-x-8-5-x-75-fk16x8-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f9bf1353-bb32-4700-80b6-6665e4fa511b.jpg?v=1781244087 Filter King 16x8.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 8.5 x .75" - FK16x8.5x1A-M8-4 Filter King 16x8.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 8.5 x .75" - FK16x8.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-16x8-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-x-8-5-x-75-fk16x8-5x1a-m8-4-copy 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c3ad65e0-99d8-4b1a-b05e-3a1f7d237472.jpg?v=1781244086 Filter King 16x8.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 8.5 x .75" - FK16x8.5x1A-M8-4 - Copy Filter King 16x8.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 8.5 x .75" - FK16x8.5x1A-M8-4 - Copy https://hvacdirectusa.com/products/filter-king-16x8x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-x-8-x-75-fk16x8x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_29a51201-3744-4c3e-bd97-98ea3af0ca45.jpg?v=1781244086 Filter King 16x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 8 x .75" - FK16x8x1A-M8-4 Filter King 16x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 8 x .75" - FK16x8x1A-M8-4 https://hvacdirectusa.com/products/filter-king-16x9-5x1-air-filter-merv-8-4-pack-dust-allergy-control-ac-furnace-filters-made-in-usa-hvac-pleated-electrostatic-actual-size-16-x-9-5-x-75-fk16x9-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_fea4dedc-792f-48aa-b249-fd19a2b5e5b3.jpg?v=1781244085 Filter King 16x9.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 16 x 9.5 x .75) - FK16x9.5x1A-M8-4 Filter King 16x9.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 16 x 9.5 x .75) - FK16x9.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-16x9x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-x-9-x-75-fk16x9x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_678f920a-eee3-455b-8d6e-9f27195f498d.jpg?v=1781244084 Filter King 16x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 9 x .75" - FK16x9x1A-M8-4 Filter King 16x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 9 x .75" - FK16x9x1A-M8-4 https://hvacdirectusa.com/products/filter-king-17-5x10-5x1-air-filter-4-pack-merv-8-actual-size-17-5-x-10-5-x-75-fk17-5x10-5x1a-m8 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7fe048de-d33c-4a0a-ae83-4de909e6fa08.jpg?v=1781244084 Filter King 17.5x10.5x1 Air Filter 4-PACK MERV 8 Actual Size 17.5 x 10.5 x .75" - FK17.5x10.5x1A-M8 Filter King 17.5x10.5x1 Air Filter 4-PACK MERV 8 Actual Size 17.5 x 10.5 x .75" - FK17.5x10.5x1A-M8 https://hvacdirectusa.com/products/filter-king-17-5x10x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-10-x-75-fk17-5x10x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_70f524a7-41c8-47ba-a75e-c0ea49f9a5bc.jpg?v=1781244083 Filter King 17.5x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 10 x .75" - FK17.5x10x1A-M8 -4 Filter King 17.5x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 10 x .75" - FK17.5x10x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x11-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-11-5-x-75-fk17-5x11-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_71bf2469-bbf3-45e9-b37d-a62133d9b5b4.jpg?v=1781244082 Filter King 17.5x11.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 11.5 x .75" - FK17.5x11.5x1A-M8-4 Filter King 17.5x11.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 11.5 x .75" - FK17.5x11.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-17-5x11x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-11-x-75-fk17-5x11x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b1360b83-93a1-41d8-a736-8929b9f1f497.jpg?v=1781244081 Filter King 17.5x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 11 x .75" - FK17.5x11x1A-M8 -4 Filter King 17.5x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 11 x .75" - FK17.5x11x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x12-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-12-5-x-75-fk17-5x12-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a266cabd-9fec-4445-b8c8-2ae2e436e403.jpg?v=1781244081 Filter King 17.5x12.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 12.5 x .75" - FK17.5x12.5x1A-M8 -4 Filter King 17.5x12.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 12.5 x .75" - FK17.5x12.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x12x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-12-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b6ee5363-fe91-4b0d-b432-0728578cf5e2.jpg?v=1781244080 Filter King 17.5x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 12 x .75" Filter King 17.5x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 12 x .75" https://hvacdirectusa.com/products/filter-king-17-5x13-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-13-5-x-75-fk17-5x13-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6b93f769-14ce-4edf-9d66-cd424e3f03be.jpg?v=1781244079 Filter King 17.5x13.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 13.5 x .75" - FK17.5x13.5x1A-M8 -4 Filter King 17.5x13.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 13.5 x .75" - FK17.5x13.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x14-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-14-5-x-75-fk17-5x14-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5dccf98a-82c8-41a2-958e-64130a368047.jpg?v=1781244079 Filter King 17.5x14.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 14.5 x .75" - FK17.5x14.5x1A-M8 -4 Filter King 17.5x14.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 14.5 x .75" - FK17.5x14.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x14x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-14-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0722eb89-69d2-4c2f-abb1-30859f129ecf.jpg?v=1781244078 Filter King 17.5x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 14 x .75" Filter King 17.5x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 14 x .75" https://hvacdirectusa.com/products/filter-king-17-5x15-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-15-5-x-75-fk17-5x15-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ab282aa3-d646-4bf7-a030-a0c87813458e.jpg?v=1781244077 Filter King 17.5x15.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 15.5 x .75" - FK17.5x15.5x1A-M8 -4 Filter King 17.5x15.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 15.5 x .75" - FK17.5x15.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x15x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-15-x-75-fk17-5x15x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_07268f6e-ad55-4e36-bef0-84070dc6aed1.jpg?v=1781244076 Filter King 17.5x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 15 x .75" - FK17.5x15x1A-M8 -4 Filter King 17.5x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 15 x .75" - FK17.5x15x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x16-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-16-5-x-75-fk17-5x16-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1efa4d12-91a0-44e7-85bf-b69ecec0b337.jpg?v=1781244076 Filter King 17.5x16.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 16.5 x .75" - FK17.5x16.5x1A-M8 - 4 Filter King 17.5x16.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 16.5 x .75" - FK17.5x16.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-17-5x16x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-16-x-75-fk17-5x16x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f792992c-b78e-4b5a-ba5c-a59314239f64.jpg?v=1781244075 Filter King 17.5x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 16 x .75" - FK17.5x16x1A-M8 -4 Filter King 17.5x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 16 x .75" - FK17.5x16x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x17-5x1-air-filter-5-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-17-5-x-76 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_98eeb48f-1606-4ed9-818f-3975058bf8f0.jpg?v=1781244074 Filter King 17.5x17.5x1 Air Filter | 5-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 17.5 x .75" Filter King 17.5x17.5x1 Air Filter | 5-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 17.5 x .75" https://hvacdirectusa.com/products/filter-king-17-5x17-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-17-5-x-77 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7656e7e8-e257-497f-825a-450314543d18.jpg?v=1781244073 Filter King 17.5x17.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 17.5 x .75" Filter King 17.5x17.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 17.5 x .75" https://hvacdirectusa.com/products/filter-king-17-5x17-5x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-17-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e80280f8-b85f-43f6-baaf-dff662efdef2.jpg?v=1781244072 Filter King 17.5x17.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 17.5 x .75" Filter King 17.5x17.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 17.5 x .75" https://hvacdirectusa.com/products/filter-king-17-5x17x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-17-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9e2500d4-d6d6-4554-9d10-729f471e5084.jpg?v=1781244072 Filter King 17.5x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 17 x .75" Filter King 17.5x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 17 x .75" https://hvacdirectusa.com/products/filter-king-17-5x18-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-18-5-x-75-fk17-5x18-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_457d26ba-d01e-4f4a-a767-705787d9efc9.jpg?v=1781244071 Filter King 17.5x18.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 18.5 x .75" - FK17.5x18.5x1A-M8 - 4 Filter King 17.5x18.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 18.5 x .75" - FK17.5x18.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-17-5x18x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-18-x-75-fk17-5x18x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a8c0f549-5941-4834-892b-d5d897a1e99b.jpg?v=1781244071 Filter King 17.5x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 18 x .75" - FK17.5x18x1A-M8 -4 Filter King 17.5x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 18 x .75" - FK17.5x18x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x19-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-19-5-x-75-fk17-5x19-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4da4f1d8-c10b-4423-8018-90e2f8f4ab84.jpg?v=1781244069 Filter King 17.5x19.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 19.5 x .75" - FK17.5x19.5x1A-M8 - 4 Filter King 17.5x19.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 19.5 x .75" - FK17.5x19.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-17-5x19-5x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-19-5-x-75-fk17-5x19-5x1a-m8-3 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_badc53b9-0bb5-46d9-bf90-960895b2c503.jpg?v=1781244069 Filter King 17.5x19.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 19.5 x .75" - FK17.5x19.5x1A-M8 -3 Filter King 17.5x19.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 19.5 x .75" - FK17.5x19.5x1A-M8 -3 https://hvacdirectusa.com/products/filter-king-17-5x19x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-19-x-75-fk17-5x19x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a4a2c2df-ba5c-43b7-96ae-49daacb67adc.jpg?v=1781244068 Filter King 17.5x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 19 x .75" - FK17.5x19x1A-M8-4 Filter King 17.5x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 19 x .75" - FK17.5x19x1A-M8-4 https://hvacdirectusa.com/products/filter-king-17-5x20-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-20-5-x-75-fk17-5x20-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_85a4058c-e217-4564-bbcb-ec4959b9490c.jpg?v=1781244067 Filter King 17.5x20.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 20.5 x .75" - FK17.5x20.5x1A-M8 -4 Filter King 17.5x20.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 20.5 x .75" - FK17.5x20.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x20x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-20-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_880d25af-4e63-4cec-b1eb-57ae59fd64f0.jpg?v=1781244067 Filter King 17.5x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 20 x .75" Filter King 17.5x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 20 x .75" https://hvacdirectusa.com/products/filter-king-17-5x21-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-21-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_01fd576a-ede2-4be5-acab-15097a011e04.jpg?v=1781244066 Filter King 17.5x21.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 21.5 x .75" Filter King 17.5x21.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 21.5 x .75" https://hvacdirectusa.com/products/filter-king-17-5x21-5x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-21-5-x-75-fk17-5x21-5x1a-m8-3 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_646f186a-0bcc-4427-ac45-c6c4a6499af2.jpg?v=1781244065 Filter King 17.5x21.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 21.5 x .75" - FK17.5x21.5x1A-M8 -3 Filter King 17.5x21.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 21.5 x .75" - FK17.5x21.5x1A-M8 -3 https://hvacdirectusa.com/products/filter-king-17-5x22-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-22-5-x-75-fk17-5x22-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9385ed42-fc59-475d-bbb5-e4d807195258.jpg?v=1781244064 Filter King 17.5x22.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 22.5 x .75" - FK17.5x22.5x1A-M8 -4 Filter King 17.5x22.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 22.5 x .75" - FK17.5x22.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x23-5x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-1-x-23-1-x-75-fk17-5x23-5x1a-m8-3 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_865d5b59-9188-43b9-acd2-45a7dbb62651.jpg?v=1781244064 Filter King 17.5x23.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.1 x 23.1 x .75" - FK17.5x23.5x1A-M8-3 Filter King 17.5x23.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.1 x 23.1 x .75" - FK17.5x23.5x1A-M8-3 https://hvacdirectusa.com/products/filter-king-17-5x23-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-23-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5869a821-a40e-4c3a-abe8-9dd3b3d5b500.jpg?v=1781244063 Filter King 17.5x23.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 23.5 x .75" Filter King 17.5x23.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 23.5 x .75" https://hvacdirectusa.com/products/filter-king-17-5x23x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-23-x-76 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_33c7ca12-ebf7-4f38-a318-f46b86b4a22b.jpg?v=1781244062 Filter King 17.5x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 23 x .75" Filter King 17.5x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 23 x .75" https://hvacdirectusa.com/products/filter-king-17-5x24-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-24-5-x-75-fk17-5x24-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1a3a756f-19c8-452c-b8d1-33beb07df971.jpg?v=1781244062 Filter King 17.5x24.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 24.5 x .75" - FK17.5x24.5x1A-M8 - 4 Filter King 17.5x24.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 24.5 x .75" - FK17.5x24.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-17-5x24-5x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-24-5-x-75-fk17-5x24-5x1a-m8-3 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1c89ab57-9a2f-4e5b-80cd-e483c4bf353d.jpg?v=1781244061 Filter King 17.5x24.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 24.5 x .75" - FK17.5x24.5x1A-M8 -3 Filter King 17.5x24.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 24.5 x .75" - FK17.5x24.5x1A-M8 -3 https://hvacdirectusa.com/products/filter-king-17-5x24x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-24-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f0181385-1b24-46d0-b835-5e50c1261886.jpg?v=1781244060 Filter King 17.5x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 24 x .75" - Filter King 17.5x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 24 x .75" - https://hvacdirectusa.com/products/filter-king-17-5x25-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-25-5-x-75-fk17-5x25-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_cb0592fe-326d-44b4-8459-587a89d1e318.jpg?v=1781244059 Filter King 17.5x25.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 25.5 x .75" - FK17.5x25.5x1A-M8 -4 Filter King 17.5x25.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 25.5 x .75" - FK17.5x25.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x25x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-25-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_670238be-6527-4abf-89ce-484c44475bc9.jpg?v=1781244056 Filter King 17.5x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 25 x .75" Filter King 17.5x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 25 x .75" https://hvacdirectusa.com/products/filter-king-17-5x26-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-26-5-x-75-fk17-5x26-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_896af04c-3e7c-4faa-be11-2191f4df2b26.jpg?v=1781244056 Filter King 17.5x26.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 26.5 x .75" - FK17.5x26.5x1A-M8 -4 Filter King 17.5x26.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 26.5 x .75" - FK17.5x26.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x26x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-26-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6831c536-0b18-456c-a9d0-65340b52f3a4.jpg?v=1781244055 Filter King 17.5x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 26 x .75" Filter King 17.5x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 26 x .75" https://hvacdirectusa.com/products/filter-king-17-5x27-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-27-5-x-75-fk17-5x27-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_dd14be9d-99ed-42a0-9df5-4e5edd3b2a50.jpg?v=1781244054 Filter King 17.5x27.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 27.5 x .75" - FK17.5x27.5x1A-M8 - 4 Filter King 17.5x27.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 27.5 x .75" - FK17.5x27.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-17-5x28-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-28-5-x-75-fk17-5x28-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_dcd24f9e-a07f-4caf-8e58-6c61f58f5090.jpg?v=1781244053 Filter King 17.5x28.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 28.5 x .75" - FK17.5x28.5x1A-M8 -4 Filter King 17.5x28.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 28.5 x .75" - FK17.5x28.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x29-5x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-29-5-x-75-fk17-5x29-5x1a-m8-3 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_bc6ca2e9-c963-4e84-9408-91553dff210b.jpg?v=1781244052 Filter King 17.5x29.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 29.5 x .75" - FK17.5x29.5x1A-M8 -3 Filter King 17.5x29.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 29.5 x .75" - FK17.5x29.5x1A-M8 -3 https://hvacdirectusa.com/products/filter-king-17-5x29-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-29-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f72b6005-346f-4019-ab9e-ceff702fe752.jpg?v=1781244052 Filter King 17.5x29.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 29.5 x .75" Filter King 17.5x29.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 29.5 x .75" https://hvacdirectusa.com/products/filter-king-17-5x29-5x1-air-filter-merv-8-6-pack-dust-allergy-control-ac-furnace-filters-made-in-usa-hvac-pleated-electrostatic-actual-size-17-5-x-29-5-x-75-fk17-5x29-5x1a-m8-6 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_17c80016-51d8-4334-b187-5d5d2d84c803.jpg?v=1781244051 Filter King 17.5x29.5x1 Air Filter (MERV 8) (6-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 17.5 x 29.5 x .75) - FK17.5x29.5x1A-M8-6 Filter King 17.5x29.5x1 Air Filter (MERV 8) (6-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 17.5 x 29.5 x .75) - FK17.5x29.5x1A-M8-6 https://hvacdirectusa.com/products/filter-king-17-5x29-5x2-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-29-5-x-1-75-fk17-5x29-5x2a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9676a624-86f3-4e1b-9b4e-e516f9c85a27.jpg?v=1781244050 Filter King 17.5x29.5x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 29.5 x 1.75" - FK17.5x29.5x2A-M8 - 4 Filter King 17.5x29.5x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 29.5 x 1.75" - FK17.5x29.5x2A-M8 - 4 https://hvacdirectusa.com/products/filter-king-17-5x29x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-29-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2f55a5bd-8fba-4fe4-befd-dfec23ba04d9.jpg?v=1781244049 Filter King 17.5x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 29 x .75" Filter King 17.5x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 29 x .75" https://hvacdirectusa.com/products/filter-king-17-5x30-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-30-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_621a155d-2557-4d29-a579-4668403374b7.jpg?v=1781244049 Filter King 17.5x30.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 30.5 x .75" Filter King 17.5x30.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 30.5 x .75" https://hvacdirectusa.com/products/filter-king-17-5x30x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-30-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4a5ad380-5792-479d-9443-c2f67b80538a.jpg?v=1781244048 Filter King 17.5x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 30 x .75" Filter King 17.5x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 30 x .75" https://hvacdirectusa.com/products/filter-king-17-5x31-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-31-5-x-75-fk17-5x31-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_dc67f825-01f1-483d-8839-72b9f2d418ee.jpg?v=1781244047 Filter King 17.5x31.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 31.5 x .75" - FK17.5x31.5x1A-M8 -4 Filter King 17.5x31.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 31.5 x .75" - FK17.5x31.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x31x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-31-x-75-fk17-5x31x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_43d16337-d753-4a1d-bb78-176515bb2ec1.jpg?v=1781244046 Filter King 17.5x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 31 x .75" - FK17.5x31x1A-M8 -4 Filter King 17.5x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 31 x .75" - FK17.5x31x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x32-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-32-5-x-75-fk17-5x32-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8dab093d-437b-44a9-9333-c678c00c28b0.jpg?v=1781244045 Filter King 17.5x32.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 32.5 x .75" - FK17.5x32.5x1A-M8 -4 Filter King 17.5x32.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 32.5 x .75" - FK17.5x32.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x32x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-32-x-75-fk17-5x32x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4bf040eb-f24c-484f-9b57-5f60aaac53ad.jpg?v=1781244045 Filter King 17.5x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 32 x .75" - FK17.5x32x1A-M8 -4 Filter King 17.5x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 32 x .75" - FK17.5x32x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x33-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-33-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_83015a11-6b6f-4181-b35e-11c614f2bd81.jpg?v=1781244044 Filter King 17.5x33.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 33.5 x .75" Filter King 17.5x33.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 33.5 x .75" https://hvacdirectusa.com/products/filter-king-17-5x33x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-33-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_821f43da-19d3-47d0-8a45-26e87c57bc0a.jpg?v=1781244043 Filter King 17.5x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 33 x .75" Filter King 17.5x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 33 x .75" https://hvacdirectusa.com/products/filter-king-17-5x34-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-34-5-x-75-fk17-5x34-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e2790b94-72d2-4ec3-a849-1889da6745bb.jpg?v=1781244043 Filter King 17.5x34.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 34.5 x .75" - FK17.5x34.5x1A-M8 -4 Filter King 17.5x34.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 34.5 x .75" - FK17.5x34.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x34x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-34-x-75-fk17-5x34x1a-m8-5 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_027ae2c2-7c6d-409c-9257-f053f71fb149.jpg?v=1781244042 Filter King 17.5x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 34 x .75" - FK17.5x34x1A-M8 -4 Filter King 17.5x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 34 x .75" - FK17.5x34x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x35-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-35-5-x-76 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_49eacfb3-9dd7-4ed0-add9-2f754b096d97.jpg?v=1781244041 Filter King 17.5x35.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 35.5 x .75" Filter King 17.5x35.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 35.5 x .75" https://hvacdirectusa.com/products/filter-king-17-5x35x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-35-x-75-fk17-5x35x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3eb4db3a-af48-4d62-85bd-7383b671b984.jpg?v=1781244040 Filter King 17.5x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 35 x .75" - FK17.5x35x1A-M8 -4 Filter King 17.5x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 35 x .75" - FK17.5x35x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x36-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-36-5-x-75-fk17-5x36-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_181c6250-40cb-4a16-ae9d-d52cb7d5a816.jpg?v=1781244040 Filter King 17.5x36.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 36.5 x .75" - FK17.5x36.5x1A-M8 -4 Filter King 17.5x36.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 36.5 x .75" - FK17.5x36.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x36x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-36-x-75-fk17-5x36x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6420caad-c5c3-44a6-a2fc-0235cd7441db.jpg?v=1781244039 Filter King 17.5x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 36 x .75" - FK17.5x36x1A-M8 -4 Filter King 17.5x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 36 x .75" - FK17.5x36x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x37-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-37-5-x-75-fk17-5x37-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2a4b63d9-ce4d-4bc2-9818-90138313e791.jpg?v=1781244038 Filter King 17.5x37.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 37.5 x .75" - FK17.5x37.5x1A-M8 -4 Filter King 17.5x37.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 37.5 x .75" - FK17.5x37.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x37x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-37-x-75-fk17-5x37x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5a9a1f56-359d-466e-9696-d31cb416486c.jpg?v=1781244037 Filter King 17.5x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 37 x .75" - FK17.5x37x1A-M8 -4 Filter King 17.5x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 37 x .75" - FK17.5x37x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x38-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-38-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_270e1c2b-c8d1-433b-9f2d-9bed5b5b3faf.jpg?v=1781244036 Filter King 17.5x38.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 38.5 x .75" Filter King 17.5x38.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 38.5 x .75" https://hvacdirectusa.com/products/filter-king-17-5x38x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-38-x-75-fk17-5x38x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ffd6c1e6-ad55-4758-8ff8-465aa807f99d.jpg?v=1781244036 Filter King 17.5x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 38 x .75" - FK17.5x38x1A-M8 -4 Filter King 17.5x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 38 x .75" - FK17.5x38x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x39-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-39-5-x-75-fk17-5x39-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d52eaf0c-e2bc-429f-96a9-d2c4126acaab.jpg?v=1781244035 Filter King 17.5x39.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 39.5 x .75" - FK17.5x39.5x1A-M8 -4 Filter King 17.5x39.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 39.5 x .75" - FK17.5x39.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x39x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-39-x-75-fk17-5x39x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8b1bc51f-fa72-42f3-878b-fe82dc2c1abf.jpg?v=1781244034 Filter King 17.5x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 39 x .75" - FK17.5x39x1A-M8 -4 Filter King 17.5x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 39 x .75" - FK17.5x39x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x4-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-4-5-x-75-fk17-5x4-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_50f56795-a2f9-4c07-9fc8-0fb5ceb4fbcc.jpg?v=1781244033 Filter King 17.5x4.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 4.5 x .75" - FK17.5x4.5x1A-M8 -4 Filter King 17.5x4.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 4.5 x .75" - FK17.5x4.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x40-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-40-5-x-75-fk17-5x40-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4f75246b-bf26-4337-8e73-c14f45785d3a.jpg?v=1781244033 Filter King 17.5x40.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 40.5 x .75" - FK17.5x40.5x1A-M8 -4 Filter King 17.5x40.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 40.5 x .75" - FK17.5x40.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x41-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-41-5-x-75-fk17-5x41-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1e81174e-33b7-4d7c-9387-f684f957ad03.jpg?v=1781244032 Filter King 17.5x41.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 41.5 x .75" - FK17.5x41.5x1A-M8 -4 Filter King 17.5x41.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 41.5 x .75" - FK17.5x41.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x41x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-41-x-75-fk17-5x41x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1808104f-f350-4107-b6e4-8ed37eb98fbe.jpg?v=1781244031 Filter King 17.5x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 41 x .75" - FK17.5x41x1A-M8 -4 Filter King 17.5x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 41 x .75" - FK17.5x41x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x42-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-42-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f1054c98-a8f2-4568-a4b7-18b274818b90.jpg?v=1781244030 Filter King 17.5x42.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 42.5 x .75" Filter King 17.5x42.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 42.5 x .75" https://hvacdirectusa.com/products/filter-king-17-5x42x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-42-x-75-fk17-5x42x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b4b65c81-d40a-4cf7-bfdc-f10d4ec8a0d8.jpg?v=1781244030 Filter King 17.5x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 42 x .75" - FK17.5x42x1A-M8 -4 Filter King 17.5x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 42 x .75" - FK17.5x42x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x43-5x1-air-filter-4-pack-merv-8-actual-size-17-5-x-43-5-x-75-fk17-5x43-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b93623f9-b234-47bd-8a59-e7f7626e8c40.jpg?v=1781244029 Filter King 17.5x43.5x1 Air Filter 4-PACK MERV 8 Actual Size 17.5 x 43.5 x .75" - FK17.5x43.5x1A-M8 -4 Filter King 17.5x43.5x1 Air Filter 4-PACK MERV 8 Actual Size 17.5 x 43.5 x .75" - FK17.5x43.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x44-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-44-5-x-75-fk17-5x44-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7099bdc3-4728-493f-97d1-17f80bbda013.jpg?v=1781244028 Filter King 17.5x44.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 44.5 x .75" - FK17.5x44.5x1A-M8 -4 Filter King 17.5x44.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 44.5 x .75" - FK17.5x44.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x45-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-45-5-x-75-fk17-5x45-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d78a5634-e5f8-43df-aab3-1c5bce569cac.jpg?v=1781244026 Filter King 17.5x45.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 45.5 x .75" - FK17.5x45.5x1A-M8 -4 Filter King 17.5x45.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 45.5 x .75" - FK17.5x45.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x46-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-46-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1c5347b0-5415-4443-996b-fa58be042fd9.jpg?v=1781244025 Filter King 17.5x46.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 46.5 x .75" Filter King 17.5x46.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 46.5 x .75" https://hvacdirectusa.com/products/filter-king-17-5x46x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-46-x-75-fk17-5x46x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d952fa9c-c5be-4204-8761-95b2d90452fc.jpg?v=1781244024 Filter King 17.5x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 46 x .75" - FK17.5x46x1A-M8 -4 Filter King 17.5x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 46 x .75" - FK17.5x46x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x47x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-47-x-75-fk17-5x47x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_372d4058-a318-4835-9855-c2285c509547.jpg?v=1781244023 Filter King 17.5x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 47 x .75" - FK17.5x47x1A-M8 -4 Filter King 17.5x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 47 x .75" - FK17.5x47x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x48-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-48-5-x-75-fk17-5x48-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_56709dd3-93bc-4482-832a-262be4b31331.jpg?v=1781244021 Filter King 17.5x48.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 48.5 x .75" - FK17.5x48.5x1A-M8 -4 Filter King 17.5x48.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 48.5 x .75" - FK17.5x48.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x49-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-49-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1931680b-e6ed-4ff8-8005-aee2e1ccf5c2.jpg?v=1781244020 Filter King 17.5x49.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 49.5 x .75" Filter King 17.5x49.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 49.5 x .75" https://hvacdirectusa.com/products/filter-king-17-5x49x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-49-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_233d740e-8eff-42dd-841c-c58a28831704.jpg?v=1781244019 Filter King 17.5x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 49 x .75" Filter King 17.5x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 49 x .75" https://hvacdirectusa.com/products/filter-king-17-5x5-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-5-5-x-75-fk17-5x5-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a77de4e3-6a97-4767-a191-dfada635ac3a.jpg?v=1781244018 Filter King 17.5x5.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 5.5 x .75" - FK17.5x5.5x1A-M8 -4 Filter King 17.5x5.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 5.5 x .75" - FK17.5x5.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x50-5x1-air-filter-4-pack-merv-8-actual-size-17-5-x-50-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_66cd73a4-72d6-44a4-a8a7-5dfdd92ca3e6.jpg?v=1781244017 Filter King 17.5x50.5x1 Air Filter 4-PACK MERV 8 Actual Size 17.5 x 50.5 x .75" Filter King 17.5x50.5x1 Air Filter 4-PACK MERV 8 Actual Size 17.5 x 50.5 x .75" https://hvacdirectusa.com/products/filter-king-17-5x50x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-50-x-75-fk17-5x50x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a3e152e5-a16f-40fc-b0a0-1f6a165a3a76.jpg?v=1781244015 Filter King 17.5x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 50 x .75" - FK17.5x50x1A-M8 -4 Filter King 17.5x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 50 x .75" - FK17.5x50x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x51-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-51-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_53f0e1c3-6c76-4d7b-9790-1b8e5939f01e.jpg?v=1781244014 Filter King 17.5x51.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 51.5 x .75" Filter King 17.5x51.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 51.5 x .75" https://hvacdirectusa.com/products/filter-king-17-5x51x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-51-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c7f296a2-890a-4d6e-8005-232f172279b8.jpg?v=1781244013 Filter King 17.5x51x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 51 x .75" Filter King 17.5x51x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 51 x .75" https://hvacdirectusa.com/products/filter-king-17-5x52-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-52-5-x-75-fk17-5x52-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_80388ed1-029e-48ee-91c1-ac2b8d7c1815.jpg?v=1781244012 Filter King 17.5x52.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 52.5 x .75" - FK17.5x52.5x1A-M8 -4 Filter King 17.5x52.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 52.5 x .75" - FK17.5x52.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x53-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-53-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7e1baab1-69f6-4d27-aa38-951d8a58975c.jpg?v=1781244011 Filter King 17.5x53.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 53.5 x .75" Filter King 17.5x53.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 53.5 x .75" https://hvacdirectusa.com/products/filter-king-17-5x54-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-54-5-x-75-fk17-5x54-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_71f51fa3-b94e-4229-a6b0-cddc7309e4da.jpg?v=1781244011 Filter King 17.5x54.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 54.5 x .75" - FK17.5x54.5x1A-M8 -4 Filter King 17.5x54.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 54.5 x .75" - FK17.5x54.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x55-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-55-5-x-75-fk17-5x55-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_cfacabba-f563-4772-80c5-0b954287c84c.jpg?v=1781244010 Filter King 17.5x55.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 55.5 x .75" - FK17.5x55.5x1A-M8 -4 Filter King 17.5x55.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 55.5 x .75" - FK17.5x55.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x55x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-55-x-75-fk17-5x55x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b3036708-e84a-4fd4-a04a-bbcdd26e99fa.jpg?v=1781244009 Filter King 17.5x55x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 55 x .75" - FK17.5x55x1A-M8 -4 Filter King 17.5x55x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 55 x .75" - FK17.5x55x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x56-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-56-5-x-75-fk17-5x56-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_76883e4d-b90d-4870-bfdf-3df9b1e87c8e.jpg?v=1781244008 Filter King 17.5x56.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 56.5 x .75" - FK17.5x56.5x1A-M8 -4 Filter King 17.5x56.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 56.5 x .75" - FK17.5x56.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x56x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-56-x-75-fk17-5x56x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_32388ef7-efd8-4c74-8d51-f310a59f1f7b.jpg?v=1781244007 Filter King 17.5x56x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 56 x .75" - FK17.5x56x1A-M8 -4 Filter King 17.5x56x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 56 x .75" - FK17.5x56x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x57-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-57-5-x-75-fk17-5x57-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7ffe30ac-3a3f-4e72-b593-dc4c969249f9.jpg?v=1781244007 Filter King 17.5x57.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 57.5 x .75" - FK17.5x57.5x1A-M8 -4 Filter King 17.5x57.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 57.5 x .75" - FK17.5x57.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x58-5x1-air-filter-4-pack-merv-8-actual-size-17-5-x-58-5-x-75-fk17-5x58-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_74900dfd-3ddf-4052-b221-5814c0535ee5.jpg?v=1781244006 Filter King 17.5x58.5x1 Air Filter 4-PACK MERV 8 Actual Size 17.5 x 58.5 x .75" - FK17.5x58.5x1A-M8 -4 Filter King 17.5x58.5x1 Air Filter 4-PACK MERV 8 Actual Size 17.5 x 58.5 x .75" - FK17.5x58.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x58x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-58-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c455c5f1-6025-42e1-97f9-864b0e7277e7.jpg?v=1781244005 Filter King 17.5x58x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 58 x .75" Filter King 17.5x58x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 58 x .75" https://hvacdirectusa.com/products/filter-king-17-5x59x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-59-x-75-fk17-5x59x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8c779cf7-d2cc-4d3d-ae3a-d4e8144d5855.jpg?v=1781244005 Filter King 17.5x59x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 59 x .75" - FK17.5x59x1A-M8 -4 Filter King 17.5x59x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 59 x .75" - FK17.5x59x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-5-x-75-fk17-5x5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_405b3713-0f92-42aa-aa60-eddd2fb6e89f.jpg?v=1781244004 Filter King 17.5x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 5 x .75" - FK17.5x5x1A-M8 -4 Filter King 17.5x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 5 x .75" - FK17.5x5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x6-5x1-air-filter-4-pack-merv-8-actual-size-17-5-x-6-5-x-75-fk17-5x6-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_31d20798-bcd5-441a-8c73-47630a4dab46.jpg?v=1781244003 Filter King 17.5x6.5x1 Air Filter 4-PACK MERV 8 Actual Size 17.5 x 6.5 x .75" - FK17.5x6.5x1A-M8 -4 Filter King 17.5x6.5x1 Air Filter 4-PACK MERV 8 Actual Size 17.5 x 6.5 x .75" - FK17.5x6.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x60-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-60-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_004d6a3f-4268-49dc-82a3-7f3f4ffc6f86.jpg?v=1781244002 Filter King 17.5x60.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 60.5 x .75" - Filter King 17.5x60.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 60.5 x .75" - https://hvacdirectusa.com/products/filter-king-17-5x60x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-60-x-75-fk17-5x60x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3958eb8f-3d38-44cd-8864-e2c7f12b6586.jpg?v=1781244001 Filter King 17.5x60x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 60 x .75" - FK17.5x60x1A-M8 -4 Filter King 17.5x60x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 60 x .75" - FK17.5x60x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x61-5x1-air-filter-4-pack-merv-8-actual-size-17-5-x-61-5-x-75-fk17-5x61-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c154d60e-41bb-4cad-90d4-635565ad8e0e.jpg?v=1781244001 Filter King 17.5x61.5x1 Air Filter 4-PACK MERV 8 Actual Size 17.5 x 61.5 x .75" - FK17.5x61.5x1A-M8 -4 Filter King 17.5x61.5x1 Air Filter 4-PACK MERV 8 Actual Size 17.5 x 61.5 x .75" - FK17.5x61.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x61x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-61-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_107f9e72-b210-429d-9c1c-e1135009cf19.jpg?v=1781244000 Filter King 17.5x61x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 61 x .75" Filter King 17.5x61x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 61 x .75" https://hvacdirectusa.com/products/filter-king-17-5x62-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-62-5-x-75-fk17-5x62-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_28babebd-acaa-419f-8757-2f4748ea4c75.jpg?v=1781243999 Filter King 17.5x62.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 62.5 x .75" - FK17.5x62.5x1A-M8 -4 Filter King 17.5x62.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 62.5 x .75" - FK17.5x62.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x62x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-62-x-75-fk17-5x62x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_15ffd105-c211-47d7-a6bc-48cc61631f4e.jpg?v=1781243998 Filter King 17.5x62x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 62 x .75" - FK17.5x62x1A-M8 -4 Filter King 17.5x62x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 62 x .75" - FK17.5x62x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x63x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-63-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_46c5bdc5-9008-4679-b77c-a69af5517c4c.jpg?v=1781243998 Filter King 17.5x63x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 63 x .75" Filter King 17.5x63x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 63 x .75" https://hvacdirectusa.com/products/filter-king-17-5x64-5x1-air-filter-4-pack-merv-8-actual-size-17-5-x-64-5-x-75-fk17-5x64-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_20817c16-a968-4a5e-b90d-d446245705d8.jpg?v=1781243997 Filter King 17.5x64.5x1 Air Filter 4-PACK MERV 8 Actual Size 17.5 x 64.5 x .75" - FK17.5x64.5x1A-M8-4 Filter King 17.5x64.5x1 Air Filter 4-PACK MERV 8 Actual Size 17.5 x 64.5 x .75" - FK17.5x64.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-17-5x65-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-65-5-x-75-fk17-5x65-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_babb2bac-5527-4507-8265-ccea92a4f8a3.jpg?v=1781243996 Filter King 17.5x65.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 65.5 x .75" - FK17.5x65.5x1A-M8 -4 Filter King 17.5x65.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 65.5 x .75" - FK17.5x65.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x6x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-6-x-75-fk17-5x6x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_10e8b6ef-59cd-4077-ad14-cc32d73a87df.jpg?v=1781243996 Filter King 17.5x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 6 x .75" - FK17.5x6x1A-M8 -4 Filter King 17.5x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 6 x .75" - FK17.5x6x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x7-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-7-5-x-75-fk17-5x7-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0b06083b-07cc-416c-bff3-c8af22f99a06.jpg?v=1781243995 Filter King 17.5x7.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 7.5 x .75" - FK17.5x7.5x1A-M8 -4 Filter King 17.5x7.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 7.5 x .75" - FK17.5x7.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x7x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-7-x-75-fk17-5x7x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_feba9a4d-0a9f-406c-88a3-78f96af1ce87.jpg?v=1781243994 Filter King 17.5x7x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 7 x .75" - FK17.5x7x1A-M8 -4 Filter King 17.5x7x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 7 x .75" - FK17.5x7x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x8-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-8-5-x-75-fk17-5x8-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4b2b60ef-5d28-4e6b-b095-09c53d7ae494.jpg?v=1781243993 Filter King 17.5x8.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 8.5 x .75" - FK17.5x8.5x1A-M8 -4 Filter King 17.5x8.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 8.5 x .75" - FK17.5x8.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x8x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-8-x-75-fk17-5x8x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ea798bc1-c70e-4d4a-bb12-19e30f05bdec.jpg?v=1781243992 Filter King 17.5x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 8 x .75" - FK17.5x8x1A-M8 -4 Filter King 17.5x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 8 x .75" - FK17.5x8x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x9-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-9-5-x-75-fk17-5x9-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c4e22a9c-b6f5-4c93-8189-7af076e2c8b4.jpg?v=1781243992 Filter King 17.5x9.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 9.5 x .75" - FK17.5x9.5x1A-M8 -4 Filter King 17.5x9.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 9.5 x .75" - FK17.5x9.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x9x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-9-x-75-fk17-5x9x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8dc12470-eeb9-4016-812e-1814fbd42438.jpg?v=1781243991 Filter King 17.5x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 9 x .75" - FK17.5x9x1A-M8 -4 Filter King 17.5x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 9 x .75" - FK17.5x9x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-75x17-75x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-75-x-17-75-x-75-fk17-75x17-75x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c47219eb-db8e-45ff-a1d3-fc20e0c4044b.jpg?v=1781243990 Filter King 17.75x17.75x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.75 x 17.75 x .75" - FK17.75x17.75x1A-M8 - 4 Filter King 17.75x17.75x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.75 x 17.75 x .75" - FK17.75x17.75x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-17x10x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-10-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_31cd96f7-d683-461d-be31-ee4015a31c86.jpg?v=1781243989 Filter King 17x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 10 x .75" Filter King 17x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 10 x .75" https://hvacdirectusa.com/products/filter-king-17x11-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-11-5-x-75-fk17x11-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8a2de366-c886-4f2f-9070-9a2f21f2ed40.jpg?v=1781243988 Filter King 17x11.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 11.5 x .75" - FK17x11.5x1A-M8 -4 Filter King 17x11.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 11.5 x .75" - FK17x11.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x11x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-11-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6b0bc9a2-2433-467e-bbe0-8e57d79319e5.jpg?v=1781243988 Filter King 17x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 11 x .75" Filter King 17x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 11 x .75" https://hvacdirectusa.com/products/filter-king-17x12-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-12-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b4f62649-11df-40bc-9b1a-f4f1a5494f90.jpg?v=1781243987 Filter King 17x12.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 12.5 x .75" Filter King 17x12.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 12.5 x .75" https://hvacdirectusa.com/products/filter-king-17x12x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-12-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_207125a0-f5b2-421e-9921-92401225ba53.jpg?v=1781243986 Filter King 17x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 12 x .75" Filter King 17x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 12 x .75" https://hvacdirectusa.com/products/filter-king-17x13-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-13-5-x-75-fk17x13-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1d94b234-c920-423d-9f4d-b5fbcf2fd79b.jpg?v=1781243986 Filter King 17x13.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 13.5 x .75" - FK17x13.5x1A-M8 -4 Filter King 17x13.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 13.5 x .75" - FK17x13.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x13x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-13-x-75-fk17x13x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_91fb9ec0-8f79-47cd-ab56-3161dba80cc7.jpg?v=1781243985 Filter King 17x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 13 x .75" - FK17x13x1A-M8 -4 Filter King 17x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 13 x .75" - FK17x13x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x14-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-14-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f438db5a-02a9-41f4-b9b2-c5bb07bcdbda.jpg?v=1781243984 Filter King 17x14.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 14.5 x .75" Filter King 17x14.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 14.5 x .75" https://hvacdirectusa.com/products/filter-king-17x14x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-14-x-75-fk17x14x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_38d4e698-0402-4f58-96d0-e9b587d4dd68.jpg?v=1781243984 Filter King 17x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 14 x .75" - FK17x14x1A-M8 -4 Filter King 17x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 14 x .75" - FK17x14x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x15-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-15-5-x-75-fk17x15-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e32bddbb-81d4-426a-86b4-c59fb367c4cc.jpg?v=1781243983 Filter King 17x15.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 15.5 x .75" - FK17x15.5x1A-M8 -4 Filter King 17x15.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 15.5 x .75" - FK17x15.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x15x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-15-x-75-fk17x15x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_408d9e15-a893-4ffe-b910-9b90448bc447.jpg?v=1781243982 Filter King 17x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 15 x .75" - FK17x15x1A-M8 -4 Filter King 17x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 15 x .75" - FK17x15x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x61-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-61-5-x-75-fk17x16-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8e4fc23b-6831-4d3f-8cc9-7a7b2126e0ab.jpg?v=1781243981 Filter King 17x61.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 61.5 x .75" - FK17x16.5x1A-M8 -4 Filter King 17x61.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 61.5 x .75" - FK17x16.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x16-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-16-5-x-75-fk17x16-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_902c83d1-2cfa-4eca-a3ce-1b31e5bda636.jpg?v=1781243980 Filter King 17x16.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 16.5 x .75" - FK17x16.5x1A-M8 -4 Filter King 17x16.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 16.5 x .75" - FK17x16.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x16x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-16-x-75-fk17x16x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7e8f17b7-bd57-40e9-b586-0070b6ef0fac.jpg?v=1781243980 Filter King 17x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 16 x .75" - FK17x16x1A-M8 -4 Filter King 17x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 16 x .75" - FK17x16x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x17-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-17-5-x-75-fk17x17-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_81f66d79-043a-42a0-904f-693ed9486e32.jpg?v=1781243979 Filter King 17x17.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 17.5 x .75" - FK17x17.5x1A-M8 -4 Filter King 17x17.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 17.5 x .75" - FK17x17.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x18-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-18-5-x-75-fk17x18-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1c4a16d0-c1bd-4f00-8fdc-1624382b5d5d.jpg?v=1781243978 Filter King 17x18.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 18.5 x .75" - FK17x18.5x1A-M8 -4 Filter King 17x18.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 18.5 x .75" - FK17x18.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x18x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-18-x-75-fk17x18x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0f0dc470-7d15-42c5-ba1a-20e255e5dd3c.jpg?v=1781243978 Filter King 17x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 18 x .75" - FK17x18x1A-M8 -4 Filter King 17x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 18 x .75" - FK17x18x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x19-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-19-5-x-75-fk17x19-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b64d0ff5-9cb5-43f1-ac34-ddcce58b323c.jpg?v=1781243977 Filter King 17x19.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 19.5 x .75" - FK17x19.5x1A-M8 -4 Filter King 17x19.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 19.5 x .75" - FK17x19.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x21-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-21-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_215b6f64-19c4-4db7-a625-794085ebe1ce.jpg?v=1781243976 Filter King 17x21.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 21.5 x .75" Filter King 17x21.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 21.5 x .75" https://hvacdirectusa.com/products/filter-king-17x22-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-22-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_59466be3-d6e3-4a1a-ae7f-ccaee54618e8.jpg?v=1781243975 Filter King 17x22.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 22.5 x .75" Filter King 17x22.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 22.5 x .75" https://hvacdirectusa.com/products/filter-king-17x23-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-23-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_fe8651d5-353c-4af2-af15-312e07f96089.jpg?v=1781243975 Filter King 17x23.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 23.5 x .75" Filter King 17x23.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 23.5 x .75" https://hvacdirectusa.com/products/filter-king-17x23x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-5-x-22-5-x-75-fk17x23x1-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_20863962-cf6d-418b-8f48-9d5ab32fa766.jpg?v=1781243974 Filter King 17x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 22.5 x .75" - FK17x23x1-M8 - 4 Filter King 17x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 22.5 x .75" - FK17x23x1-M8 - 4 https://hvacdirectusa.com/products/filter-king-17x23x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-23-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6346bad5-d515-4313-b09e-b49cb4ae268b.jpg?v=1781243973 Filter King 17x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 23 x .75" Filter King 17x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 23 x .75" https://hvacdirectusa.com/products/filter-king-17x23x1-air-filter-merv-8-3-pack-dust-allergy-control-ac-furnace-filters-made-in-usa-hvac-pleated-electrostatic-actual-size-16-5-x-22-5-x-75-fk17x23x1-m8-3 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1e4a7c64-57f0-4cf6-9771-3e0614971180.jpg?v=1781243972 Filter King 17x23x1 Air Filter (MERV 8) (3-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 16.5 x 22.5 x .75) - FK17x23x1-M8-3 Filter King 17x23x1 Air Filter (MERV 8) (3-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 16.5 x 22.5 x .75) - FK17x23x1-M8-3 https://hvacdirectusa.com/products/filter-king-17x24-5x1-air-filter-4-pack-merv-8-actual-size-17-x-24-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_31210c8c-e94d-490f-9899-52d01133d7e2.jpg?v=1781243972 Filter King 17x24.5x1 Air Filter 4-PACK MERV 8 Actual Size 17 x 24.5 x .75" Filter King 17x24.5x1 Air Filter 4-PACK MERV 8 Actual Size 17 x 24.5 x .75" https://hvacdirectusa.com/products/filter-king-17x24x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-5-x-23-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f809abb6-309e-4d5f-9a02-584c1f459762.jpg?v=1781243971 Filter King 17x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 23.5 x .75" Filter King 17x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 23.5 x .75" https://hvacdirectusa.com/products/filter-king-17x25-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-25-5-x-75-fk17x25-5x1a-m8 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c685b018-c24a-4ce1-b930-07c7ca56dc77.jpg?v=1781243970 Filter King 17x25.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 25.5 x .75" - FK17x25.5x1A-M8 Filter King 17x25.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 25.5 x .75" - FK17x25.5x1A-M8 https://hvacdirectusa.com/products/filter-king-17x26-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-26-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4ff5c0bd-a3f5-487f-86dd-15c6b1887ae9.jpg?v=1781243970 Filter King 17x26.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 26.5 x .75" Filter King 17x26.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 26.5 x .75" https://hvacdirectusa.com/products/filter-king-17x26x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-5-x-25-5-x-75-fk17x26x1-m8 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a4519e5c-f02e-4bb4-a8b4-cac34d83b1e0.jpg?v=1781243969 Filter King 17x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 25.5 x .75" - FK17x26x1-M8 Filter King 17x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 25.5 x .75" - FK17x26x1-M8 https://hvacdirectusa.com/products/filter-king-17x26x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-5-x-25-5-x-75-fk17x26x1-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2782f4f1-6f6c-4d68-99cb-9cc664b0bc3b.jpg?v=1781243968 Filter King 17x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 25.5 x .75" - FK17x26x1-M8 -4 Filter King 17x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 25.5 x .75" - FK17x26x1-M8 -4 https://hvacdirectusa.com/products/filter-king-17x26x1-air-filter-merv-8-3-pack-dust-allergy-control-ac-furnace-filters-made-in-usa-hvac-pleated-electrostatic-actual-size-16-5-x-25-5-x-75-fk17x26x1-m8-3 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_bcfc6607-3b5d-4f06-a342-4da5b3635fd2.jpg?v=1781243965 Filter King 17x26x1 Air Filter (MERV 8) (3-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 16.5 x 25.5 x .75) - FK17x26x1-M8-3 Filter King 17x26x1 Air Filter (MERV 8) (3-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 16.5 x 25.5 x .75) - FK17x26x1-M8-3 https://hvacdirectusa.com/products/filter-king-17x27-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-27-5-x-75-fk17x27-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7612fac3-5a33-4c8a-93b0-47bfb6ffaa15.jpg?v=1781243965 Filter King 17x27.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 27.5 x .75" - FK17x27.5x1A-M8 -4 Filter King 17x27.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 27.5 x .75" - FK17x27.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x28-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-28-5-x-75-fk17x28-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_90e80607-6f9b-4226-96df-db6805ada859.jpg?v=1781243964 Filter King 17x28.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 28.5 x .75" - FK17x28.5x1A-M8 -4 Filter King 17x28.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 28.5 x .75" - FK17x28.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x30x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-16-5-x-29-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2b175bf8-76b4-43ec-b487-a6515e460864.jpg?v=1781243963 Filter King 17x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 29.5 x .75" Filter King 17x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 29.5 x .75" https://hvacdirectusa.com/products/filter-king-17x30-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-30-5-x-75-fk17x30x1-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c4423611-6e98-4433-9a9f-a60da85174f9.jpg?v=1781243963 Filter King 17x30.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 30.5 x .75" - FK17x30x1-M8 -4 Filter King 17x30.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 30.5 x .75" - FK17x30x1-M8 -4 https://hvacdirectusa.com/products/filter-king-17x30x1-air-filter-merv-8-3-pack-dust-allergy-control-ac-furnace-filters-made-in-usa-hvac-pleated-electrostatic-actual-size-16-5-x-29-5-x-75-fk17x30x1-m8-3 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8c3823e9-b67a-4b24-8a90-935e4eec393c.jpg?v=1781243962 Filter King 17x30x1 Air Filter (MERV 8) (3-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 16.5 x 29.5 x .75) - FK17x30x1-M8-3 Filter King 17x30x1 Air Filter (MERV 8) (3-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 16.5 x 29.5 x .75) - FK17x30x1-M8-3 https://hvacdirectusa.com/products/filter-king-17x31-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-31-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3e826544-77db-4dad-b04a-dc1489897a96.jpg?v=1781243961 Filter King 17x31.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 31.5 x .75" Filter King 17x31.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 31.5 x .75" https://hvacdirectusa.com/products/filter-king-17x31x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-31-x-75-fk17x31x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_57022073-5d78-42e1-93a9-fa17f6e0f610.jpg?v=1781243960 Filter King 17x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 31 x .75" - FK17x31x1A-M8 -4 Filter King 17x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 31 x .75" - FK17x31x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x32-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-32-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c466f90f-3ed7-428c-b184-17cb8c3855de.jpg?v=1781243960 Filter King 17x32.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 32.5 x .75" Filter King 17x32.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 32.5 x .75" https://hvacdirectusa.com/products/filter-king-17x32x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-32-x-75-fk17x32x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ba020a63-b35f-4738-8650-0570f5af7764.jpg?v=1781243959 Filter King 17x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 32 x .75" - FK17x32x1A-M8 -4 Filter King 17x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 32 x .75" - FK17x32x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x33-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-33-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a44df686-1837-48a6-85b1-270b859982c1.jpg?v=1781243958 Filter King 17x33.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 33.5 x .75" Filter King 17x33.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 33.5 x .75" https://hvacdirectusa.com/products/filter-king-17x33x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-33-x-75-fk17x33x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_08437ab3-4787-4f8a-9321-ec8f149b85b8.jpg?v=1781243957 Filter King 17x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 33 x .75" - FK17x33x1A-M8 -4 Filter King 17x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 33 x .75" - FK17x33x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x34-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-34-5-x-75-fk17x34-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2e4c5b1f-23a0-4b8a-a8b9-8bf271bb91b1.jpg?v=1781243956 Filter King 17x34.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 34.5 x .75" - FK17x34.5x1A-M8 -4 Filter King 17x34.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 34.5 x .75" - FK17x34.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x34x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-34-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e3626a71-19da-429a-8975-54a3a3414ce9.jpg?v=1781243956 Filter King 17x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 34 x .75" Filter King 17x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 34 x .75" https://hvacdirectusa.com/products/filter-king-17x35-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-35-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6c0269ce-0892-493c-a05b-f0c71feb8caa.jpg?v=1781243955 Filter King 17x35.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 35.5 x .75" Filter King 17x35.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 35.5 x .75" https://hvacdirectusa.com/products/filter-king-17x35x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-35-x-75-fk17x35x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d4f7e86c-ff59-4b99-b3ac-df66d323853c.jpg?v=1781243954 Filter King 17x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 35 x .75" - FK17x35x1A-M8 -4 Filter King 17x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 35 x .75" - FK17x35x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x36-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-36-5-x-75-fk17x36-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d80aa355-2f30-401b-a68d-f3267bf2cee1.jpg?v=1781243954 Filter King 17x36.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 36.5 x .75" - FK17x36.5x1A-M8 -4 Filter King 17x36.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 36.5 x .75" - FK17x36.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x36x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-36-x-75-fk17x36x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f9b89989-8147-43f8-be38-f919d9aef0fa.jpg?v=1781243953 Filter King 17x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 36 x .75" - FK17x36x1A-M8 -4 Filter King 17x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 36 x .75" - FK17x36x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x37x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-37-x-75-fk17x37x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c6e91906-4978-41a6-b1a0-9895dded1529.jpg?v=1781243952 Filter King 17x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 37 x .75" - FK17x37x1A-M8 -4 Filter King 17x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 37 x .75" - FK17x37x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x38-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-38-5-x-75-fk17x38-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5f26cfa5-3704-4ec8-b64e-f6b186ab51c2.jpg?v=1781243951 Filter King 17x38.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 38.5 x .75" - FK17x38.5x1A-M8 -4 Filter King 17x38.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 38.5 x .75" - FK17x38.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x38x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-38-x-75-fk17x38x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_285ffe81-8205-4a5c-8279-cd0a9f9d0267.jpg?v=1781243950 Filter King 17x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 38 x .75" - FK17x38x1A-M8 -4 Filter King 17x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 38 x .75" - FK17x38x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17-5x39-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-39-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_82e3fb5a-4f54-4a70-a68c-8c87dde2bc33.jpg?v=1781243950 Filter King 17.5x39.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 39.5 x .75" Filter King 17.5x39.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 39.5 x .75" https://hvacdirectusa.com/products/filter-king-17x39x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-39-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2a01eef2-7913-40d5-b662-b6712f9efc5b.jpg?v=1781243949 Filter King 17x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 39 x .75" Filter King 17x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 39 x .75" https://hvacdirectusa.com/products/filter-king-17x4-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-4-5-x-75-fk17x4-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e9de0915-3266-4f82-acd2-0bd3767ebf3e.jpg?v=1781243948 Filter King 17x4.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 4.5 x .75" - FK17x4.5x1A-M8 -4 Filter King 17x4.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 4.5 x .75" - FK17x4.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x40x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-40-x-75-fk17x40x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c1d8c4f5-6674-4493-8866-bb399672cf9b.jpg?v=1781243948 Filter King 17x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 40 x .75" - FK17x40x1A-M8 -4 Filter King 17x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 40 x .75" - FK17x40x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x41-5x1-air-filter-4-pack-merv-8-actual-size-17-x-41-5-x-75-fk17x41-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b09fe780-2314-4af8-847e-61c8607f2faa.jpg?v=1781243947 Filter King 17x41.5x1 Air Filter 4-PACK MERV 8 Actual Size 17 x 41.5 x .75" - FK17x41.5x1A-M8 -4 Filter King 17x41.5x1 Air Filter 4-PACK MERV 8 Actual Size 17 x 41.5 x .75" - FK17x41.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x41x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-41-x-75-fk17x41x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3dc54f37-9737-474d-b0b2-069468ee24db.jpg?v=1781243946 Filter King 17x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 41 x .75" - FK17x41x1A-M8 -4 Filter King 17x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 41 x .75" - FK17x41x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x42-5x1-air-filter-4-pack-merv-8-actual-size-17-x-42-5-x-75-fk17x42-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8dd40640-9845-404f-800f-56af594dae96.jpg?v=1781243945 Filter King 17x42.5x1 Air Filter 4-PACK MERV 8 Actual Size 17 x 42.5 x .75" - FK17x42.5x1A-M8 -4 Filter King 17x42.5x1 Air Filter 4-PACK MERV 8 Actual Size 17 x 42.5 x .75" - FK17x42.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x42x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-42-x-75-fk17x42x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_92d99e75-b40a-4072-b147-ed5f28066330.jpg?v=1781243944 Filter King 17x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 42 x .75" - FK17x42x1A-M8 -4 Filter King 17x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 42 x .75" - FK17x42x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x43-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-43-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e0e752fe-03a1-443a-82e7-5801ec3e841a.jpg?v=1781243944 Filter King 17x43.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 43.5 x .75" Filter King 17x43.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 43.5 x .75" https://hvacdirectusa.com/products/filter-king-17x43x1-air-filter-4-pack-merv-8-actual-size-17-x-43-x-75-fk17x43x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f6fafdb1-4bd4-401b-b54d-5cfe59f5ed47.jpg?v=1781243943 Filter King 17x43x1 Air Filter 4-PACK MERV 8 Actual Size 17 x 43 x .75" - FK17x43x1A-M8 -4 Filter King 17x43x1 Air Filter 4-PACK MERV 8 Actual Size 17 x 43 x .75" - FK17x43x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x44x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-44-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e7e879db-d29a-41fe-9575-a794a31931f7.jpg?v=1781243942 Filter King 17x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 44 x .75" Filter King 17x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 44 x .75" https://hvacdirectusa.com/products/filter-king-17x45-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-45-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_692f14d7-cc63-44ea-9e86-4b4a535428fb.jpg?v=1781243942 Filter King 17x45.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 45.5 x .75" Filter King 17x45.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 45.5 x .75" https://hvacdirectusa.com/products/filter-king-17x45x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-45-x-75-fk17x45x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3963c3ed-ce44-4fee-9135-555e8ef8bc20.jpg?v=1781243941 Filter King 17x45x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 45 x .75" - FK17x45x1A-M8 -4 Filter King 17x45x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 45 x .75" - FK17x45x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x46-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-46-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9246705a-0115-4d75-b59c-860a207876b1.jpg?v=1781243940 Filter King 17x46.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 46.5 x .75" Filter King 17x46.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 46.5 x .75" https://hvacdirectusa.com/products/filter-king-17x46x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-46-x-75-fk17x46x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f4c3772a-e1d6-436f-b20c-5964b3494734.jpg?v=1781243939 Filter King 17x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 46 x .75" - FK17x46x1A-M8 -4 Filter King 17x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 46 x .75" - FK17x46x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x47-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-47-5-x-75-fk17x47-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_255f153a-ff0e-4767-92a6-92de83e52833.jpg?v=1781243939 Filter King 17x47.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 47.5 x .75" - FK17x47.5x1A-M8 -4 Filter King 17x47.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 47.5 x .75" - FK17x47.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x47x1-air-filter-4-pack-merv-8-actual-size-17-x-47-x-75-fk17x47x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2b0e9afd-4646-4bc8-91c8-b4ba04bde0f7.jpg?v=1781243938 Filter King 17x47x1 Air Filter 4-PACK MERV 8 Actual Size 17 x 47 x .75" - FK17x47x1A-M8 -4 Filter King 17x47x1 Air Filter 4-PACK MERV 8 Actual Size 17 x 47 x .75" - FK17x47x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x48-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-48-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_632dcdb6-bf45-4ce1-b9e2-db1db0ecdc51.jpg?v=1781243937 Filter King 17x48.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 48.5 x .75" Filter King 17x48.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 48.5 x .75" https://hvacdirectusa.com/products/filter-king-17x48x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-48-x-75-fk17x48x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0d343649-7abf-4f15-a5ab-9c642056d5c5.jpg?v=1781243936 Filter King 17x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 48 x .75" - FK17x48x1A-M8 -4 Filter King 17x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 48 x .75" - FK17x48x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x49-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-49-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1a304e29-705e-4892-a022-ad0506bfb923.jpg?v=1781243936 Filter King 17x49.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 49.5 x .75" Filter King 17x49.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 49.5 x .75" https://hvacdirectusa.com/products/filter-king-17x49x1-air-filter-4-pack-merv-8-actual-size-17-x-49-x-75-fk17x49x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_61be38a1-cdbc-42d8-b623-528520da45c9.jpg?v=1781243935 Filter King 17x49x1 Air Filter 4-PACK MERV 8 Actual Size 17 x 49 x .75" - FK17x49x1A-M8 -4 Filter King 17x49x1 Air Filter 4-PACK MERV 8 Actual Size 17 x 49 x .75" - FK17x49x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x4x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-4-x-75-fk17x4x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_234ec048-0c2f-4245-a457-259c02461b1f.jpg?v=1781243934 Filter King 17x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 4 x .75" - FK17x4x1A-M8 -4 Filter King 17x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 4 x .75" - FK17x4x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x5-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-5-5-x-75-fk17x5-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7f877d28-2c92-48c1-a721-c2a408dc9e81.jpg?v=1781243934 Filter King 17x5.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 5.5 x .75" - FK17x5.5x1A-M8 - 4 Filter King 17x5.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 5.5 x .75" - FK17x5.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-17x50-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-50-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9366c3f9-9aa9-4570-92c6-a129b8735fb4.jpg?v=1781243933 Filter King 17x50.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 50.5 x .75" Filter King 17x50.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 50.5 x .75" https://hvacdirectusa.com/products/filter-king-17x50x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-50-x-75-fk17x50x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a2a30397-b27c-41ce-bbbb-0dfbad9132fe.jpg?v=1781243932 Filter King 17x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 50 x .75" - FK17x50x1A-M8 -4 Filter King 17x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 50 x .75" - FK17x50x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x51-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-51-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f0273839-3ee1-47b0-acd8-7cbce438313a.jpg?v=1781243931 Filter King 17x51.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 51.5 x .75" Filter King 17x51.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 51.5 x .75" https://hvacdirectusa.com/products/filter-king-17x52-5x1-air-filter-4-pack-merv-8-actual-size-17-x-52-5-x-75-fk17x52-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_884dff67-ed3c-4d40-91e2-b38e2eb0f5dc.jpg?v=1781243930 Filter King 17x52.5x1 Air Filter 4-PACK MERV 8 Actual Size 17 x 52.5 x .75" - FK17x52.5x1A-M8 -4 Filter King 17x52.5x1 Air Filter 4-PACK MERV 8 Actual Size 17 x 52.5 x .75" - FK17x52.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x52x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-52-x-75-fk17x52x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_213c13fa-79a0-41bb-837a-67829d97b986.jpg?v=1781243930 Filter King 17x52x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 52 x .75" - FK17x52x1A-M8 - 4 Filter King 17x52x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 52 x .75" - FK17x52x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-17x53-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-53-5-x-75-fk17x53-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_27e3b814-4ee8-4883-983a-2bd0322869c6.jpg?v=1781243929 Filter King 17x53.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 53.5 x .75" - FK17x53.5x1A-M8 -4 Filter King 17x53.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 53.5 x .75" - FK17x53.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x53x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-53-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_481b09e5-7c20-44d4-942e-72860add7735.jpg?v=1781243928 Filter King 17x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 53 x .75" Filter King 17x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 53 x .75" https://hvacdirectusa.com/products/filter-king-17x54-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-54-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_957bc101-c106-4dcd-991b-86aacd860010.jpg?v=1781243928 Filter King 17x54.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 54.5 x .75" Filter King 17x54.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 54.5 x .75" https://hvacdirectusa.com/products/filter-king-17x54x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-54-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_06d545f7-2adf-4592-b546-7f27142cc9e8.jpg?v=1781243927 Filter King 17x54x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 54 x .75" Filter King 17x54x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 54 x .75" https://hvacdirectusa.com/products/filter-king-17x55-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-55-5-x-75-fk17x55-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0373e518-72a1-4d3a-8388-5a90c3cb8cac.jpg?v=1781243926 Filter King 17x55.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 55.5 x .75" - FK17x55.5x1A-M8 -4 Filter King 17x55.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 55.5 x .75" - FK17x55.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x55x1-air-filter-4-pack-merv-8-actual-size-17-x-55-x-75-fk17x55x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2b8fed9e-6c14-4249-a9ca-aea9940d4aa7.jpg?v=1781243925 Filter King 17x55x1 Air Filter 4-PACK MERV 8 Actual Size 17 x 55 x .75" - FK17x55x1A-M8 -4 Filter King 17x55x1 Air Filter 4-PACK MERV 8 Actual Size 17 x 55 x .75" - FK17x55x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x56-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-56-5-x-75-fk17x56-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1fac9606-74b0-46b9-8294-867b6c935bb1.jpg?v=1781243924 Filter King 17x56.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 56.5 x .75" - FK17x56.5x1A-M8 -4 Filter King 17x56.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 56.5 x .75" - FK17x56.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x56x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-56-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d1e3deeb-fa32-46b7-9ac2-c8f39be9d076.jpg?v=1781243923 Filter King 17x56x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 56 x .75" Filter King 17x56x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 56 x .75" https://hvacdirectusa.com/products/filter-king-17x57-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-57-5-x-75-fk17x57-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c5e02c7e-eb26-4148-a9aa-7ebb2f0ac183.jpg?v=1781243922 Filter King 17x57.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 57.5 x .75" - FK17x57.5x1A-M8 -4 Filter King 17x57.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 57.5 x .75" - FK17x57.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x57x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-57-x-75-fk17x57x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_95271f90-b470-45cb-961e-b40d4ab3a38f.jpg?v=1781243921 Filter King 17x57x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 57 x .75" - FK17x57x1A-M8 -4 Filter King 17x57x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 57 x .75" - FK17x57x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x58-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-58-5-x-75-fk17x58-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c011ff32-5f20-48b2-b170-bd38a12bdba2.jpg?v=1781243920 Filter King 17x58.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 58.5 x .75" - FK17x58.5x1A-M8 -4 Filter King 17x58.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 58.5 x .75" - FK17x58.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x59-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-59-5-x-75-fk17x59-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6a1d799e-b20d-4382-9830-d23c66029a7c.jpg?v=1781243919 Filter King 17x59.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 59.5 x .75" - FK17x59.5x1A-M8 - 4 Filter King 17x59.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 59.5 x .75" - FK17x59.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-17x59x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-59-x-75-fk17x59x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_beb622a7-5484-40f2-8054-52be2b01262a.jpg?v=1781243918 Filter King 17x59x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 59 x .75" - FK17x59x1A-M8 -4 Filter King 17x59x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 59 x .75" - FK17x59x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-5-x-75-fk17x5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4bf136f3-ce0b-48f1-89d7-ef89117b93bb.jpg?v=1781243917 Filter King 17x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 5 x .75" - FK17x5x1A-M8 -4 Filter King 17x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 5 x .75" - FK17x5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x6-5x1-air-filter-4-pack-merv-8-actual-size-17-x-6-5-x-75-fk17x6-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b09a4094-f40e-4d57-b13d-8afb0076eaef.jpg?v=1781243915 Filter King 17x6.5x1 Air Filter 4-PACK MERV 8 Actual Size 17 x 6.5 x .75" - FK17x6.5x1A-M8 -4 Filter King 17x6.5x1 Air Filter 4-PACK MERV 8 Actual Size 17 x 6.5 x .75" - FK17x6.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x60-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-60-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_33229b72-0a81-42e7-8e78-a39fc016b209.jpg?v=1781243915 Filter King 17x60.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 60.5 x .75" Filter King 17x60.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 60.5 x .75" https://hvacdirectusa.com/products/filter-king-17x60x1-air-filter-4-pack-merv-8-actual-size-17-x-60-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f2f54de2-64a5-4dc4-b9d5-2d89696d421d.jpg?v=1781243913 Filter King 17x60x1 Air Filter 4-PACK MERV 8 Actual Size 17 x 60 x .75" Filter King 17x60x1 Air Filter 4-PACK MERV 8 Actual Size 17 x 60 x .75" https://hvacdirectusa.com/products/filter-king-17x61x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-61-x-75-fk17x61x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ab106f09-f82d-4529-bf9a-e77f0ad324c5.jpg?v=1781243913 Filter King 17x61x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 61 x .75" - FK17x61x1A-M8 -4 Filter King 17x61x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 61 x .75" - FK17x61x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x62-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-62-5-x-75-fk17x62-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f75182e2-8860-4346-9f46-8a560bc403db.jpg?v=1781243912 Filter King 17x62.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 62.5 x .75" - FK17x62.5x1A-M8 -4 Filter King 17x62.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 62.5 x .75" - FK17x62.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x62x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-62-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ebf507d6-50b7-4bf9-9868-134d3495105b.jpg?v=1781243911 Filter King 17x62x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 62 x .75" Filter King 17x62x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 62 x .75" https://hvacdirectusa.com/products/filter-king-17x63-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-63-5-x-75-fk17x63-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c8301afc-d0bb-4e93-bd86-02b227c16ac0.jpg?v=1781243910 Filter King 17x63.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 63.5 x .75" - FK17x63.5x1A-M8 -4 Filter King 17x63.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 63.5 x .75" - FK17x63.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x63x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-63-x-75-fk17x63x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c41f6858-fdfd-47cb-b6d9-3f3002138803.jpg?v=1781243910 Filter King 17x63x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 63 x .75" - FK17x63x1A-M8 -4 Filter King 17x63x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 63 x .75" - FK17x63x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x64-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-64-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4a34681a-9110-4fbf-b75b-aa384f015412.jpg?v=1781243909 Filter King 17x64.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 64.5 x .75" Filter King 17x64.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 64.5 x .75" https://hvacdirectusa.com/products/filter-king-17x65x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-65-x-75-fk17x65x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_209efc96-67ad-414f-8ee1-d28b4094b516.jpg?v=1781243908 Filter King 17x65x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 65 x .75" - FK17x65x1A-M8 -4 Filter King 17x65x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 65 x .75" - FK17x65x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x66x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-66-x-75-fk17x66x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_cedd2840-cc9f-4b59-a933-76fee18d9792.jpg?v=1781243908 Filter King 17x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 66 x .75" - FK17x66x1A-M8 -4 Filter King 17x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 66 x .75" - FK17x66x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x6x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-6-x-75-fk17x6x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1131bbdf-9122-46d3-8ac1-7955b687c956.jpg?v=1781243907 Filter King 17x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 6 x .75" - FK17x6x1A-M8 -4 Filter King 17x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 6 x .75" - FK17x6x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-17x7-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-7-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7a20111d-7fda-4615-816e-7f71991e70e9.jpg?v=1781243906 Filter King 17x7.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 7.5 x .75" Filter King 17x7.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 7.5 x .75" https://hvacdirectusa.com/products/filter-king-17x7x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-7-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_80cee36d-ceb9-4f92-9c63-47c5818afd70.jpg?v=1781243905 Filter King 17x7x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 7 x .75" Filter King 17x7x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 7 x .75" https://hvacdirectusa.com/products/filter-king-17x8-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-8-5-x-75-fk17x8-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a0d01a38-4fe2-468b-b696-ade0f4c5df50.jpg?v=1781243905 Filter King 17x8.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 8.5 x .75" - FK17x8.5x1A-M8-4 Filter King 17x8.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 8.5 x .75" - FK17x8.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-17x8x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-8-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b4231d7d-354b-41ae-ae92-cb7131eeac2c.jpg?v=1781243904 Filter King 17x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 8 x .75" Filter King 17x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 8 x .75" https://hvacdirectusa.com/products/filter-king-17x9-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-9-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f82d23f5-64e0-4792-b9b4-a9b2c36a9d3b.jpg?v=1781243903 Filter King 17x9.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 9.5 x .75" Filter King 17x9.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 9.5 x .75" https://hvacdirectusa.com/products/filter-king-17x9x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-x-9-x-75-fk17x9x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2b5d84c7-5354-4245-b12f-5d888830dc5e.jpg?v=1781243903 Filter King 17x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 9 x .75" - FK17x9x1A-M8 -4 Filter King 17x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 9 x .75" - FK17x9x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18-5x10-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-10-5-x-75-fk18-5x10-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6a84b158-3e08-4a3b-a554-e9c2deec1347.jpg?v=1781243902 Filter King 18.5x10.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 10.5 x .75" - FK18.5x10.5x1A-M8 -4 Filter King 18.5x10.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 10.5 x .75" - FK18.5x10.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18-5x10x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-10-x-75-fk18-5x10x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_71c1fbe9-c2f6-4ea6-a3e8-48a72a856b1c.jpg?v=1781243901 Filter King 18.5x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 10 x .75" - FK18.5x10x1A-M8 -4 Filter King 18.5x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 10 x .75" - FK18.5x10x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18-5x11-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-11-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d118e93a-2368-408d-a6a6-02b388269d39.jpg?v=1781243900 Filter King 18.5x11.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 11.5 x .75" Filter King 18.5x11.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 11.5 x .75" https://hvacdirectusa.com/products/filter-king-18-5x11x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-11-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7c0e670d-d148-4243-89a2-26cb457691f8.jpg?v=1781243899 Filter King 18.5x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 11 x .75" Filter King 18.5x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 11 x .75" https://hvacdirectusa.com/products/filter-king-18-5x12-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-12-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b6f6f695-fa62-4673-a216-f12b4770d83c.jpg?v=1781243899 Filter King 18.5x12.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 12.5 x .75" Filter King 18.5x12.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 12.5 x .75" https://hvacdirectusa.com/products/filter-king-18-5x12x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-12-x-75-fk18-5x12x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2d86de16-8d3c-412a-bbe1-508e49a23144.jpg?v=1781243898 Filter King 18.5x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 12 x .75" - FK18.5x12x1A-M8 -4 Filter King 18.5x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 12 x .75" - FK18.5x12x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18-5x13x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-13-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7b846bfc-a22c-4db7-9523-7ad0a5cb8dd1.jpg?v=1781243897 Filter King 18.5x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 13 x .75" Filter King 18.5x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 13 x .75" https://hvacdirectusa.com/products/filter-king-18-5x14-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-14-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3ef7546b-9c88-4a1b-bf4f-809b26a33716.jpg?v=1781243896 Filter King 18.5x14.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 14.5 x .75" Filter King 18.5x14.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 14.5 x .75" https://hvacdirectusa.com/products/filter-king-18-5x14x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-14-x-75-fk18-5x14x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_776e35dd-3d53-4ee3-947b-90f0c2e7747f.jpg?v=1781243896 Filter King 18.5x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 14 x .75" - FK18.5x14x1A-M8 - 4 Filter King 18.5x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 14 x .75" - FK18.5x14x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-18-5x15-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-15-5-x-75-fk18-5x15-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f1d48b6b-ead9-45ab-b3a9-b4793a9ea5d8.jpg?v=1781243895 Filter King 18.5x15.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 15.5 x .75" - FK18.5x15.5x1A-M8 - 4 Filter King 18.5x15.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 15.5 x .75" - FK18.5x15.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-18-5x15x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-15-x-75-fk18-5x15x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_fcd597dd-ff51-4845-aa4c-ee5f9a710676.jpg?v=1781243894 Filter King 18.5x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 15 x .75" - FK18.5x15x1A-M8 -4 Filter King 18.5x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 15 x .75" - FK18.5x15x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18-5x16-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-16-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_da2c0175-c472-461f-b9ef-df78cc4ba45a.jpg?v=1781243893 Filter King 18.5x16.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 16.5 x .75" Filter King 18.5x16.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 16.5 x .75" https://hvacdirectusa.com/products/filter-king-18-5x16x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-16-x-75-fk18-5x16x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5d3c80a8-f18b-4651-99b3-69837856eb5d.jpg?v=1781243893 Filter King 18.5x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 16 x .75" - FK18.5x16x1A-M8 -4 Filter King 18.5x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 16 x .75" - FK18.5x16x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18-5x17-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-17-5-x-75-fk18-5x17-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1d7e8c41-4dc0-4882-9add-0a9cf50dc18b.jpg?v=1781243892 Filter King 18.5x17.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 17.5 x .75" - FK18.5x17.5x1A-M8 -4 Filter King 18.5x17.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 17.5 x .75" - FK18.5x17.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18-5x17x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-17-x-75-fk18-5x17x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_feedea02-10c2-442d-8c20-f08852dcc647.jpg?v=1781243892 Filter King 18.5x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 17 x .75" - FK18.5x17x1A-M8-4 Filter King 18.5x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 17 x .75" - FK18.5x17x1A-M8-4 https://hvacdirectusa.com/products/filter-king-18-5x18-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-18-5-x-75-fk18-5x18-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4901b022-2a99-4ef3-b0ec-456f4cea3499.jpg?v=1781243890 Filter King 18.5x18.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 18.5 x .75" - FK18.5x18.5x1A-M8 - 4 Filter King 18.5x18.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 18.5 x .75" - FK18.5x18.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-18-5x18-5x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-18-5-x-75-fk18-5x18-5x1a-m8-3 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_dcbd7ef6-3252-4870-a915-fbb656c899b4.jpg?v=1781243889 Filter King 18.5x18.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 18.5 x .75" - FK18.5x18.5x1A-M8 -3 Filter King 18.5x18.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 18.5 x .75" - FK18.5x18.5x1A-M8 -3 https://hvacdirectusa.com/products/filter-king-18-5x18x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-18-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_46f05b31-160d-4953-82cb-0d08db3759be.jpg?v=1781243889 Filter King 18.5x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 18 x .75" Filter King 18.5x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 18 x .75" https://hvacdirectusa.com/products/filter-king-18-5x19-5x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-19-5-x-75-fk18-5x19-5x1a-m8-3 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8f72ba83-4ee5-4a28-9fe0-df8eea8cf2c9.jpg?v=1781243888 Filter King 18.5x19.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 19.5 x .75" - FK18.5x19.5x1A-M8 -3 Filter King 18.5x19.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 19.5 x .75" - FK18.5x19.5x1A-M8 -3 https://hvacdirectusa.com/products/filter-king-18-5x19x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-19-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_069d217f-fa60-4dbf-a84a-9c959e3bfba7.jpg?v=1781243887 Filter King 18.5x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 19 x .75" Filter King 18.5x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 19 x .75" https://hvacdirectusa.com/products/filter-king-18-5x20-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-20-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_dc071333-e146-42ac-a086-ad1e58256bf3.jpg?v=1781243887 Filter King 18.5x20.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 20.5 x .75" Filter King 18.5x20.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 20.5 x .75" https://hvacdirectusa.com/products/filter-king-18-5x20-5x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-20-5-x-75-fk18-5x20-5x1a-m8-3 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b88dbe5d-f270-43d3-b5c3-9b93f4e6dfd9.jpg?v=1781243886 Filter King 18.5x20.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 20.5 x .75" - FK18.5x20.5x1A-M8 -3 Filter King 18.5x20.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 20.5 x .75" - FK18.5x20.5x1A-M8 -3 https://hvacdirectusa.com/products/filter-king-18-5x20x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-20-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_996ad9d4-8cf7-4511-b26b-42bace67330a.jpg?v=1781243885 Filter King 18.5x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 20 x .75" Filter King 18.5x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 20 x .75" https://hvacdirectusa.com/products/filter-king-18-5x21-5x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-21-5-x-75-fk18-5x21-5x1a-m8-3 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_345ff1fb-928e-4364-afb3-5340a6dd77b9.jpg?v=1781243884 Filter King 18.5x21.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 21.5 x .75" - FK18.5x21.5x1A-M8-3 Filter King 18.5x21.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 21.5 x .75" - FK18.5x21.5x1A-M8-3 https://hvacdirectusa.com/products/filter-king-18-5x21x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-21-x-75-fk18-5x21x1a-m8-5 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ff59ef3c-9508-4b4d-9065-4420fc102379.jpg?v=1781243884 Filter King 18.5x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 21 x .75" - FK18.5x21x1A-M8 -4 Filter King 18.5x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 21 x .75" - FK18.5x21x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18-5x22-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-22-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_355c2199-143a-417b-8eba-0b8a001436d0.jpg?v=1781243883 Filter King 18.5x22.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 22.5 x .75" Filter King 18.5x22.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 22.5 x .75" https://hvacdirectusa.com/products/filter-king-18-25x22x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-25-x-22-x-75-fk18-5x22x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_09835a67-575f-41db-baf8-5f022c92e59d.jpg?v=1781243882 Filter King 18.25x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.25 x 22 x .75" - FK18.5x22x1A-M8 - 4 Filter King 18.25x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.25 x 22 x .75" - FK18.5x22x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-18-5x22x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-22-x-75-fk18-5x22x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_013ce207-06c9-4212-bebf-708dba1813b1.jpg?v=1781243881 Filter King 18.5x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 22 x .75" - FK18.5x22x1A-M8 -4 Filter King 18.5x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 22 x .75" - FK18.5x22x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18-5x23-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-23-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c02e4745-f309-4aa6-97ea-0e9f3c60c91e.jpg?v=1781243881 Filter King 18.5x23.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 23.5 x .75" Filter King 18.5x23.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 23.5 x .75" https://hvacdirectusa.com/products/filter-king-18-5x23x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-23-x-75-fk18-5x23x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_fd84c152-bd74-4862-9319-584c7a5d4c04.jpg?v=1781243880 Filter King 18.5x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 23 x .75" - FK18.5x23x1A-M8 -4 Filter King 18.5x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 23 x .75" - FK18.5x23x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18-5x24-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-24-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d47577a4-2235-49ac-8c55-53b3d8ade592.jpg?v=1781243879 Filter King 18.5x24.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 24.5 x .75" Filter King 18.5x24.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 24.5 x .75" https://hvacdirectusa.com/products/filter-king-18-5x24x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-24-x-75-fk18-5x24x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_56af602f-123c-49f9-aaf5-4ecad1551460.jpg?v=1781243878 Filter King 18.5x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 24 x .75" - FK18.5x24x1A-M8 -4 Filter King 18.5x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 24 x .75" - FK18.5x24x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18-5x25-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-25-5-x-75-fk18-5x25-5x1a-m8-1 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7bbb0fea-5bfe-48cd-a1c8-9c042b60e8af.jpg?v=1781243875 Filter King 18.5x25.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 25.5 x .75" - FK18.5x25.5x1A-M8 -1 Filter King 18.5x25.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 25.5 x .75" - FK18.5x25.5x1A-M8 -1 https://hvacdirectusa.com/products/filter-king-18-5x25x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-25-x-75-fk18-5x25x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_01766c74-c585-44a6-9955-86f6b0633fa0.jpg?v=1781243874 Filter King 18.5x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 25 x .75" - FK18.5x25x1A-M8 -4 Filter King 18.5x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 25 x .75" - FK18.5x25x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18-5x26-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-26-5-x-75-fk18-5x26-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1af667f1-c546-4670-bd13-78d9ddd7b532.jpg?v=1781243873 Filter King 18.5x26.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 26.5 x .75" - FK18.5x26.5x1A-M8 -4 Filter King 18.5x26.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 26.5 x .75" - FK18.5x26.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18-5x27-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-27-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4ae3c780-21ba-45a3-855a-1f8963cec63e.jpg?v=1781243871 Filter King 18.5x27.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 27.5 x .75" Filter King 18.5x27.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 27.5 x .75" https://hvacdirectusa.com/products/filter-king-18-5x27x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-27-x-75-fk18-5x27x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a2655596-def4-49b3-a654-28d1a48abe16.jpg?v=1781243870 Filter King 18.5x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 27 x .75" - FK18.5x27x1A-M8 -4 Filter King 18.5x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 27 x .75" - FK18.5x27x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18-5x28x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-28-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8f3fde29-1a04-429d-9716-a99ab494a4a7.jpg?v=1781243869 Filter King 18.5x28x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 28 x .75" Filter King 18.5x28x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 28 x .75" https://hvacdirectusa.com/products/filter-king-18-5x29-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-29-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5eb4c585-2890-465a-9f09-5f5e6f2a2691.jpg?v=1781243868 Filter King 18.5x29.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 29.5 x .75" Filter King 18.5x29.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 29.5 x .75" https://hvacdirectusa.com/products/filter-king-18-5x29x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-29-x-75-fk18-5x29x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a14258a7-e9c9-4668-91a4-73d920e239c6.jpg?v=1781243867 Filter King 18.5x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 29 x .75" - FK18.5x29x1A-M8 -4 Filter King 18.5x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 29 x .75" - FK18.5x29x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18-5x30-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-30-5-x-75-fk18-5x30-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a6faac7f-00df-4967-a437-8f2405f92c86.jpg?v=1781243866 Filter King 18.5x30.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 30.5 x .75" - FK18.5x30.5x1A-M8 -4 Filter King 18.5x30.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 30.5 x .75" - FK18.5x30.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18-5x30x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-30-x-75-fk18-5x30x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1440a6b5-18e8-4844-8145-c68ce0309b6d.jpg?v=1781243866 Filter King 18.5x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 30 x .75" - FK18.5x30x1A-M8 -4 Filter King 18.5x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 30 x .75" - FK18.5x30x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18-5x31-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-31-5-x-75-fk18-5x31-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5a4e876d-e854-464e-8424-15c8dd76d925.jpg?v=1781243865 Filter King 18.5x31.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 31.5 x .75" - FK18.5x31.5x1A-M8 - 4 Filter King 18.5x31.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 31.5 x .75" - FK18.5x31.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-18-5x31x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-31-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1c34a42d-8dbe-4115-9bd7-68f3b16d5578.jpg?v=1781243864 Filter King 18.5x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 31 x .75" Filter King 18.5x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 31 x .75" https://hvacdirectusa.com/products/filter-king-18-5x32-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-32-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_03207adc-eb2c-469d-a5a6-1ea3a2d68798.jpg?v=1781243864 Filter King 18.5x32.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 32.5 x .75" Filter King 18.5x32.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 32.5 x .75" https://hvacdirectusa.com/products/filter-king-18-5x32x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-32-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9e38632b-82db-4668-8e41-3932178136f0.jpg?v=1781243863 Filter King 18.5x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 32 x .75" Filter King 18.5x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 32 x .75" https://hvacdirectusa.com/products/filter-king-18-5x33-5x1-air-filter-4-pack-merv-8-actual-size-18-5-x-33-5-x-75-fk18-5x33-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7cb3c53d-aeba-49b3-9749-1306134c963d.jpg?v=1781243862 Filter King 18.5x33.5x1 Air Filter 4-PACK MERV 8 Actual Size 18.5 x 33.5 x .75" - FK18.5x33.5x1A-M8 -4 Filter King 18.5x33.5x1 Air Filter 4-PACK MERV 8 Actual Size 18.5 x 33.5 x .75" - FK18.5x33.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18-5x33x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-33-x-75-fk18-5x33x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_758c89d5-678f-44cc-a702-2191618ad07a.jpg?v=1781243862 Filter King 18.5x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 33 x .75" - FK18.5x33x1A-M8 -4 Filter King 18.5x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 33 x .75" - FK18.5x33x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18-5x34-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-34-5-x-75-fk18-5x34-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3924ffe6-4ed6-4cc3-9d8f-b12ac6990d88.jpg?v=1781243861 Filter King 18.5x34.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 34.5 x .75" - FK18.5x34.5x1A-M8 -4 Filter King 18.5x34.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 34.5 x .75" - FK18.5x34.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18-5x34x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-34-x-75-fk18-5x34x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_110a0331-16e7-4e6f-9a06-9c1127b411f7.jpg?v=1781243860 Filter King 18.5x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 34 x .75" - FK18.5x34x1A-M8 -4 Filter King 18.5x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 34 x .75" - FK18.5x34x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18-5x35-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-35-5-x-75-fk18-5x35-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4ba92631-cf57-4ffa-8cd4-849c6935d2d8.jpg?v=1781243859 Filter King 18.5x35.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 35.5 x .75" - FK18.5x35.5x1A-M8-4 Filter King 18.5x35.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 35.5 x .75" - FK18.5x35.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-18-5x35x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-35-x-75-fk18-5x35x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9041e95f-3c89-4e0e-9d6b-fb685a15fbd6.jpg?v=1781243859 Filter King 18.5x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 35 x .75" - FK18.5x35x1A-M8 - 4 Filter King 18.5x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 35 x .75" - FK18.5x35x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-18-5x36-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-36-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b9cade02-8624-4866-9be9-bf975001124c.jpg?v=1781243858 Filter King 18.5x36.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 36.5 x .75" Filter King 18.5x36.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 36.5 x .75" https://hvacdirectusa.com/products/filter-king-18-5x37-5x1-air-filter-4-pack-merv-8-actual-size-18-5-x-37-5-x-75-fk18-5x37-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1bb5ff92-8f0b-424a-896d-3abf6c28a0d3.jpg?v=1781243857 Filter King 18.5x37.5x1 Air Filter 4-PACK MERV 8 Actual Size 18.5 x 37.5 x .75" - FK18.5x37.5x1A-M8 -4 Filter King 18.5x37.5x1 Air Filter 4-PACK MERV 8 Actual Size 18.5 x 37.5 x .75" - FK18.5x37.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18-5x38-5x1-air-filter-4-pack-merv-8-actual-size-18-5-x-38-5-x-75-fk18-5x38-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_723e30e6-6ac4-40c7-85df-38f8061a8533.jpg?v=1781243856 Filter King 18.5x38.5x1 Air Filter 4-PACK MERV 8 Actual Size 18.5 x 38.5 x .75" - FK18.5x38.5x1A-M8 -4 Filter King 18.5x38.5x1 Air Filter 4-PACK MERV 8 Actual Size 18.5 x 38.5 x .75" - FK18.5x38.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18-5x39-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-39-5-x-75-fk18-5x39-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_22037554-b2fc-4d32-9fdd-9a64dc58fff0.jpg?v=1781243856 Filter King 18.5x39.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 39.5 x .75" - FK18.5x39.5x1A-M8- 4 Filter King 18.5x39.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 39.5 x .75" - FK18.5x39.5x1A-M8- 4 https://hvacdirectusa.com/products/filter-king-18-5x39x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-39-x-75-fk18-5x39x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b5eefc6e-370e-4c89-9a86-22d72bccf1b5.jpg?v=1781243855 Filter King 18.5x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 39 x .75" - FK18.5x39x1A-M8 -4 Filter King 18.5x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 39 x .75" - FK18.5x39x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18-5x4-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-4-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0f2585e2-3d4e-4575-bed5-a77d88d9cb4e.jpg?v=1781243854 Filter King 18.5x4.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 4.5 x .75" Filter King 18.5x4.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 4.5 x .75" https://hvacdirectusa.com/products/filter-king-18-5x40-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-40-5-x-75-fk18-5x40-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_84261773-bbef-4b39-ac20-49a9d7e6a77c.jpg?v=1781243853 Filter King 18.5x40.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 40.5 x .75" - FK18.5x40.5x1A-M8 +-4 Filter King 18.5x40.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 40.5 x .75" - FK18.5x40.5x1A-M8 +-4 https://hvacdirectusa.com/products/filter-king-18-5x41-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-41-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_857fae23-1417-48a9-aaca-5deea0877498.jpg?v=1781243853 Filter King 18.5x41.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 41.5 x .75" Filter King 18.5x41.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 41.5 x .75" https://hvacdirectusa.com/products/filter-king-18-5x41x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-41-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7ba13a42-96f1-4723-89c2-e0b3532509c8.jpg?v=1781243852 Filter King 18.5x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 41 x .75" Filter King 18.5x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 41 x .75" https://hvacdirectusa.com/products/filter-king-18-5x42-5x1-air-filter-4-pack-merv-8-actual-size-18-5-x-42-5-x-75-fk18-5x42-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_528a1ff3-0a73-460a-99d4-6367f6946469.jpg?v=1781243851 Filter King 18.5x42.5x1 Air Filter 4-PACK MERV 8 Actual Size 18.5 x 42.5 x .75" - FK18.5x42.5x1A-M8 -4 Filter King 18.5x42.5x1 Air Filter 4-PACK MERV 8 Actual Size 18.5 x 42.5 x .75" - FK18.5x42.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18-5x43-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-43-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b8f1bfbb-2a3a-4bbe-8390-1a20d9d0c400.jpg?v=1781243850 Filter King 18.5x43.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 43.5 x .75" Filter King 18.5x43.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 43.5 x .75" https://hvacdirectusa.com/products/filter-king-18-5x43x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-43-x-75-fk18-5x43x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_79abbe5c-ddbd-49c2-a1d1-0d683f1ab6d2.jpg?v=1781243850 Filter King 18.5x43x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 43 x .75" - FK18.5x43x1A-M8-4 Filter King 18.5x43x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 43 x .75" - FK18.5x43x1A-M8-4 https://hvacdirectusa.com/products/filter-king-18-5x44-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-44-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_80738504-e79d-47d0-9be7-a186dde4edad.jpg?v=1781243849 Filter King 18.5x44.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 44.5 x .75" Filter King 18.5x44.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 44.5 x .75" https://hvacdirectusa.com/products/filter-king-18-5x44x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-44-x-75-fk18-5x44x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a3efd978-8632-4009-8d6f-d03d622ca465.jpg?v=1781243848 Filter King 18.5x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 44 x .75" - FK18.5x44x1A-M8 -4 Filter King 18.5x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 44 x .75" - FK18.5x44x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18-5x45-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-45-5-x-75-fk18-5x45-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_faf420de-e89d-400b-b8f5-ea43ca20f13f.jpg?v=1781243848 Filter King 18.5x45.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 45.5 x .75" - FK18.5x45.5x1A-M8 -4 Filter King 18.5x45.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 45.5 x .75" - FK18.5x45.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18-5x45x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-45-x-75-fk18-5x45x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6184420e-7647-48f0-918b-0f22c53dd27d.jpg?v=1781243847 Filter King 18.5x45x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 45 x .75" - FK18.5x45x1A-M8 -4 Filter King 18.5x45x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 45 x .75" - FK18.5x45x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18-5x46-5x1-air-filter-4-pack-merv-8-actual-size-18-5-x-46-5-x-75-fk18-5x46-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4724e53f-cb95-48de-a9ad-4e595d4f2453.jpg?v=1781243846 Filter King 18.5x46.5x1 Air Filter 4-PACK MERV 8 Actual Size 18.5 x 46.5 x .75" - FK18.5x46.5x1A-M8 -4 Filter King 18.5x46.5x1 Air Filter 4-PACK MERV 8 Actual Size 18.5 x 46.5 x .75" - FK18.5x46.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18-5x47-5x1-air-filter-4-pack-merv-8-actual-size-18-5-x-47-5-x-75-fk18-5x47-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_93fa9f7a-431b-4867-b94c-c4611b0e2211.jpg?v=1781243846 Filter King 18.5x47.5x1 Air Filter 4-PACK MERV 8 Actual Size 18.5 x 47.5 x .75" - FK18.5x47.5x1A-M8 -4 Filter King 18.5x47.5x1 Air Filter 4-PACK MERV 8 Actual Size 18.5 x 47.5 x .75" - FK18.5x47.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18-5x47x1-air-filter-4-pack-merv-8-actual-size-18-5-x-47-x-75-fk18-5x47x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_df0e6a07-28b3-4abc-98f9-7685fbe55adb.jpg?v=1781243845 Filter King 18.5x47x1 Air Filter 4-PACK MERV 8 Actual Size 18.5 x 47 x .75" - FK18.5x47x1A-M8 -4 Filter King 18.5x47x1 Air Filter 4-PACK MERV 8 Actual Size 18.5 x 47 x .75" - FK18.5x47x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18-5x5-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-5-5-x-75-fk18-5x5-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_69bbab68-9c9b-49ff-9846-62dfd1922c44.jpg?v=1781243844 Filter King 18.5x5.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 5.5 x .75" - FK18.5x5.5x1A-M8 -4 Filter King 18.5x5.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 5.5 x .75" - FK18.5x5.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18-5x50-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-50-5-x-75-fk18-5x50-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7a9d6313-d120-4d48-a74a-ff4296b8b9e6.jpg?v=1781243843 Filter King 18.5x50.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 50.5 x .75" - FK18.5x50.5x1A-M8 -4 Filter King 18.5x50.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 50.5 x .75" - FK18.5x50.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18-5x51-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-51-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_bc7d4c2e-9c97-46b8-a305-df520f52f92f.jpg?v=1781243842 Filter King 18.5x51.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 51.5 x .75" Filter King 18.5x51.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 51.5 x .75" https://hvacdirectusa.com/products/filter-king-18-5x52-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-52-5-x-75-fk18-5x52-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_42a0c78f-c330-4be0-81f5-e96c203a9937.jpg?v=1781243842 Filter King 18.5x52.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 52.5 x .75" - FK18.5x52.5x1A-M8 -4 Filter King 18.5x52.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 52.5 x .75" - FK18.5x52.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18-5x52x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-52-x-75-fk18-5x52x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8f2dcab3-c5de-478e-9075-2ced714419bc.jpg?v=1781243841 Filter King 18.5x52x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 52 x .75" - FK18.5x52x1A-M8 -4 Filter King 18.5x52x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 52 x .75" - FK18.5x52x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18-5x55-5x1-air-filter-4-pack-merv-8-actual-size-18-5-x-55-5-x-75-fk18-5x55-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8e426e21-06b6-41ac-b224-387cb9ec98fd.jpg?v=1781243840 Filter King 18.5x55.5x1 Air Filter 4-PACK MERV 8 Actual Size 18.5 x 55.5 x .75" - FK18.5x55.5x1A-M8 -4 Filter King 18.5x55.5x1 Air Filter 4-PACK MERV 8 Actual Size 18.5 x 55.5 x .75" - FK18.5x55.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18-5x55x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-55-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0aa6abdf-72ba-40e2-8228-38e6bb8a1f60.jpg?v=1781243840 Filter King 18.5x55x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 55 x .75" Filter King 18.5x55x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 55 x .75" https://hvacdirectusa.com/products/filter-king-18-5x56-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-56-5-x-75-fk18-5x56-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0b7edee2-2aa2-4793-93ad-1bf811a82a17.jpg?v=1781243839 Filter King 18.5x56.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 56.5 x .75" - FK18.5x56.5x1A-M8 -4 Filter King 18.5x56.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 56.5 x .75" - FK18.5x56.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18-5x57-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-57-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ce916f98-ad0d-4439-8a2e-fa34e7236fdb.jpg?v=1781243838 Filter King 18.5x57.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 57.5 x .75" Filter King 18.5x57.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 57.5 x .75" https://hvacdirectusa.com/products/filter-king-18-5x58-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-58-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d42425a8-9bcc-48dc-9cf0-4e7833135b17.jpg?v=1781243838 Filter King 18.5x58.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 58.5 x .75" Filter King 18.5x58.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 58.5 x .75" https://hvacdirectusa.com/products/filter-king-18-5x59-5x1-air-filter-4-pack-merv-8-actual-size-18-5-x-59-5-x-75-fk18-5x59-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_248309f1-27d3-4a85-ade9-2f25dbe10e20.jpg?v=1781243837 Filter King 18.5x59.5x1 Air Filter 4-PACK MERV 8 Actual Size 18.5 x 59.5 x .75" - FK18.5x59.5x1A-M8 -4 Filter King 18.5x59.5x1 Air Filter 4-PACK MERV 8 Actual Size 18.5 x 59.5 x .75" - FK18.5x59.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18-5x6-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-6-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_caa02941-911f-4f05-a715-9a92179c19da.jpg?v=1781243836 Filter King 18.5x6.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 6.5 x .75" Filter King 18.5x6.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 6.5 x .75" https://hvacdirectusa.com/products/filter-king-18-5x60-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-60-5-x-75-fk18-5x60-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_fb46e07a-7d87-4819-af84-1fdd8ceb28e3.jpg?v=1781243835 Filter King 18.5x60.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 60.5 x .75" - FK18.5x60.5x1A-M8 -4 Filter King 18.5x60.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 60.5 x .75" - FK18.5x60.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18-5x60x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-60-x-75-fk18-5x60x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_630b3bc4-a7b4-43c2-9916-ad18836267e9.jpg?v=1781243834 Filter King 18.5x60x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 60 x .75" - FK18.5x60x1A-M8 -4 Filter King 18.5x60x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 60 x .75" - FK18.5x60x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18-5x61-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-61-5-x-75-fk18-5x61-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d86eaa1f-65a1-4ef4-868a-786bdf268bc8.jpg?v=1781243834 Filter King 18.5x61.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 61.5 x .75" - FK18.5x61.5x1A-M8 -4 Filter King 18.5x61.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 61.5 x .75" - FK18.5x61.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18-5x62-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-62-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_fad7dffb-10ec-440f-a927-e6f4d429e3ee.jpg?v=1781243833 Filter King 18.5x62.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 62.5 x .75" Filter King 18.5x62.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 62.5 x .75" https://hvacdirectusa.com/products/filter-king-18-5x63-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-63-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a82e5144-c17e-4e69-a190-5adc6307a888.jpg?v=1781243832 Filter King 18.5x63.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 63.5 x .75" Filter King 18.5x63.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 63.5 x .75" https://hvacdirectusa.com/products/filter-king-18-5x64x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-64-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9d1c72db-a73f-436c-82fe-95210378ab4e.jpg?v=1781243832 Filter King 18.5x64x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 64 x .75" Filter King 18.5x64x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 64 x .75" https://hvacdirectusa.com/products/filter-king-18-5x65-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-65-5-x-75-fk18-5x65-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1b2c77f2-edc4-46ee-90d4-680cd1548fb7.jpg?v=1781243831 Filter King 18.5x65.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 65.5 x .75" - FK18.5x65.5x1A-M8 -4 Filter King 18.5x65.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 65.5 x .75" - FK18.5x65.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18-5x66x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-66-x-75-fk18-5x66x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_995fd117-2abc-4316-b6a0-04244fe713e3.jpg?v=1781243830 Filter King 18.5x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 66 x .75" - FK18.5x66x1A-M8 -4 Filter King 18.5x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 66 x .75" - FK18.5x66x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18-5x6x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-6-x-75-fk18-5x6x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3227d1ca-8f6f-43ac-9189-b571ba4ce1f1.jpg?v=1781243830 Filter King 18.5x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 6 x .75" - FK18.5x6x1A-M8 -4 Filter King 18.5x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 6 x .75" - FK18.5x6x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18-5x7-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-7-5-x-75-fk18-5x7-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a2135201-039e-4e98-a896-828eea2df46d.jpg?v=1781243829 Filter King 18.5x7.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 7.5 x .75" - FK18.5x7.5x1A-M8-4 Filter King 18.5x7.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 7.5 x .75" - FK18.5x7.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-18-5x7x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-7-x-75-fk18-5x7x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a6812a4f-feae-478e-9e3e-bc5e3764a1eb.jpg?v=1781243828 Filter King 18.5x7x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 7 x .75" - FK18.5x7x1A-M8 -4 Filter King 18.5x7x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 7 x .75" - FK18.5x7x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18-5x8-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-8-5-x-75-fk18-5x8-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4aa0e20c-765c-441d-a7e0-71b89614e2c3.jpg?v=1781243827 Filter King 18.5x8.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 8.5 x .75" - FK18.5x8.5x1A-M8 -4 Filter King 18.5x8.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 8.5 x .75" - FK18.5x8.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18-5x9x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-9-x-75-fk18-5x9x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3edc9a93-2b32-466b-93d0-f2cd081d158b.jpg?v=1781243826 Filter King 18.5x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 9 x .75" - FK18.5x9x1A-M8 -4 Filter King 18.5x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 9 x .75" - FK18.5x9x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x10x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-10-x-75-fk18x10x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0143ad3b-9340-41a0-9d22-83b4fc8213d6.jpg?v=1781243826 Filter King 18x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 10 x .75" - FK18x10x1A-M8 -4 Filter King 18x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 10 x .75" - FK18x10x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x11-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-11-5-x-75-fk18x11-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_45408639-d62b-4414-aefe-9ab5d9337308.jpg?v=1781243825 Filter King 18x11.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 11.5 x .75" - FK18x11.5x1A-M8 -4 Filter King 18x11.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 11.5 x .75" - FK18x11.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x11x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-11-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2081d431-f78f-41c1-a32a-f68fcd71b4a9.jpg?v=1781243824 Filter King 18x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 11 x .75" Filter King 18x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 11 x .75" https://hvacdirectusa.com/products/filter-king-18x12-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-12-5-x-75-fk18x12-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_19a03080-ba57-4e80-8189-0682a44048cb.jpg?v=1781243823 Filter King 18x12.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 12.5 x .75" - FK18x12.5x1A-M8 -4 Filter King 18x12.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 12.5 x .75" - FK18x12.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x12x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-11-5-x-75-fk18x12x1-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_cc59a883-6b34-40d9-be1c-4c193db516bc.jpg?v=1781243822 Filter King 18x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 11.5 x .75" - FK18x12x1-M8 - 4 Filter King 18x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 11.5 x .75" - FK18x12x1-M8 - 4 https://hvacdirectusa.com/products/filter-king-18x12x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-12-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7d4e82c2-3c86-4c98-956c-03ba62b1856a.jpg?v=1781243822 Filter King 18x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 12 x .75" Filter King 18x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 12 x .75" https://hvacdirectusa.com/products/filter-king-18x12x1-air-filter-merv-8-3-pack-dust-allergy-control-ac-furnace-filters-made-in-usa-hvac-pleated-electrostatic-actual-size-17-5-x-11-5-x-75-fk18x12x1-m8-3 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0f2b627e-e6e7-4fe2-968c-eacc56c0b496.jpg?v=1781243821 Filter King 18x12x1 Air Filter (MERV 8) (3-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 17.5 x 11.5 x .75) - FK18x12x1-M8-3 Filter King 18x12x1 Air Filter (MERV 8) (3-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 17.5 x 11.5 x .75) - FK18x12x1-M8-3 https://hvacdirectusa.com/products/filter-king-18x13-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-13-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7483fcfb-3849-4483-a079-b42868975c50.jpg?v=1781243821 Filter King 18x13.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 13.5 x .75" Filter King 18x13.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 13.5 x .75" https://hvacdirectusa.com/products/filter-king-18x13x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-13-x-75-fk18x13x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_645b0e23-322c-4805-a568-c5912f15ef90.jpg?v=1781243819 Filter King 18x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 13 x .75" - FK18x13x1A-M8 -4 Filter King 18x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 13 x .75" - FK18x13x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x14-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-14-5-x-75-fk18x14-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_107ae6cb-1ab7-49de-9e33-385c1496af17.jpg?v=1781243819 Filter King 18x14.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 14.5 x .75" - FK18x14.5x1A-M8 -4 Filter King 18x14.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 14.5 x .75" - FK18x14.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x15-5x1-air-filter-4-pack-merv-8-actual-size-18-x-15-5-x-75-fk18x15-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_bb617d5f-4afe-4849-b2c6-6aef82d0eae8.jpg?v=1781243818 Filter King 18x15.5x1 Air Filter 4-PACK MERV 8 Actual Size 18 x 15.5 x .75" - FK18x15.5x1A-M8 -4 Filter King 18x15.5x1 Air Filter 4-PACK MERV 8 Actual Size 18 x 15.5 x .75" - FK18x15.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x15x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-15-x-75-fk18x15x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_64d9c13a-6fcd-444c-8e30-58d031f6156f.jpg?v=1781243817 Filter King 18x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 15 x .75" - FK18x15x1A-M8 -4 Filter King 18x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 15 x .75" - FK18x15x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x16-5x1-air-filter-4-pack-merv-8-actual-size-18-x-16-5-x-75-fk18x16-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3b0547ac-c1ca-4a90-b368-d27d27b7439e.jpg?v=1781243817 Filter King 18x16.5x1 Air Filter 4-PACK MERV 8 Actual Size 18 x 16.5 x .75" - FK18x16.5x1A-M8 -4 Filter King 18x16.5x1 Air Filter 4-PACK MERV 8 Actual Size 18 x 16.5 x .75" - FK18x16.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x16x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-16-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3a4b45ff-3c46-40b8-8c54-df6de798e63c.jpg?v=1781243816 Filter King 18x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 16 x .75" Filter King 18x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 16 x .75" https://hvacdirectusa.com/products/filter-king-18x17-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-17-5-x-75-fk18x17-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4f54b38d-b2f7-4d40-a139-fc43ba436a9b.jpg?v=1781243815 Filter King 18x17.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 17.5 x .75" - FK18x17.5x1A-M8 -4 Filter King 18x17.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 17.5 x .75" - FK18x17.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x17x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-17-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_01236000-9e46-4dde-9f17-46fe3afa266a.jpg?v=1781243815 Filter King 18x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 17 x .75" Filter King 18x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 17 x .75" https://hvacdirectusa.com/products/filter-king-18x18-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-18-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3b2ea97b-d427-4746-9115-b0af420f8e7e.jpg?v=1781243814 Filter King 18x18.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 18.5 x .75" Filter King 18x18.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 18.5 x .75" https://hvacdirectusa.com/products/filter-king-18x19-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-19-5-x-75-fk18x19-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_cd863851-1448-4662-b05f-5f227cbd121e.jpg?v=1781243813 Filter King 18x19.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 19.5 x .75" - FK18x19.5x1A-M8 -4 Filter King 18x19.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 19.5 x .75" - FK18x19.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x19x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-18-5-x-75-fk18x19x1-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4aa7d9c3-aabd-4305-94ac-176b13c290e7.jpg?v=1781243812 Filter King 18x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 18.5 x .75" - FK18x19x1-M8 - 4 Filter King 18x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 18.5 x .75" - FK18x19x1-M8 - 4 https://hvacdirectusa.com/products/filter-king-18x19x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-17-5-x-18-5-x-75-fk18x19x1-m8-5 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_94754549-33b1-421f-bbbd-0426c0b3a1d1.jpg?v=1781243812 Filter King 18x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 18.5 x .75" - FK18x19x1-M8 -4 Filter King 18x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 18.5 x .75" - FK18x19x1-M8 -4 https://hvacdirectusa.com/products/filter-king-18x19x1-air-filter-merv-8-3-pack-dust-allergy-control-ac-furnace-filters-made-in-usa-hvac-pleated-electrostatic-actual-size-17-5-x-18-5-x-75-fk18x19x1-m8-3 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_49a0ac70-8cf1-448e-a33a-3c475c8b8c82.jpg?v=1781243811 Filter King 18x19x1 Air Filter (MERV 8) (3-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 17.5 x 18.5 x .75) - FK18x19x1-M8-3 Filter King 18x19x1 Air Filter (MERV 8) (3-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 17.5 x 18.5 x .75) - FK18x19x1-M8-3 https://hvacdirectusa.com/products/filter-king-18x20-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-20-5-x-75-fk18x20-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8fa54648-68cc-4c3d-8425-638507bbd455.jpg?v=1781243810 Filter King 18x20.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 20.5 x .75" - FK18x20.5x1A-M8 -4 Filter King 18x20.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 20.5 x .75" - FK18x20.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x21-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-21-5-x-75-fk18x21-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0f00331f-d1d3-4675-bfa6-ec4b8e834459.jpg?v=1781243809 Filter King 18x21.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 21.5 x .75" - FK18x21.5x1A-M8 -4 Filter King 18x21.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 21.5 x .75" - FK18x21.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x22-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-22-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_91ce44ff-a98a-4234-a8b7-5614f66e3f8a.jpg?v=1781243809 Filter King 18x22.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 22.5 x .75" Filter King 18x22.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 22.5 x .75" https://hvacdirectusa.com/products/filter-king-18x23-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-23-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_40a12082-c846-4284-bf95-95c020ac328d.jpg?v=1781243808 Filter King 18x23.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 23.5 x .75" Filter King 18x23.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 23.5 x .75" https://hvacdirectusa.com/products/filter-king-18x23x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-23-x-77 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_fbe903f3-eff5-49fb-abb7-484f00c2b8d4.jpg?v=1781243807 Filter King 18x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 23 x .75" Filter King 18x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 23 x .75" https://hvacdirectusa.com/products/filter-king-18x24-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-24-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_31b7ee62-1bdd-45e5-ae4e-d6d470d24805.jpg?v=1781243807 Filter King 18x24.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 24.5 x .75" Filter King 18x24.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 24.5 x .75" https://hvacdirectusa.com/products/filter-king-18x25-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-25-5-x-75-fk18x25-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_40cff210-78df-4809-bf8d-e9c769b5c0b7.jpg?v=1781243806 Filter King 18x25.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 25.5 x .75" - FK18x25.5x1A-M8 - 4 Filter King 18x25.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 25.5 x .75" - FK18x25.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-18x26-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-26-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9d9348ce-b9a7-46fc-abde-ee072d832ad0.jpg?v=1781243805 Filter King 18x26.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 26.5 x .75" Filter King 18x26.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 26.5 x .75" https://hvacdirectusa.com/products/filter-king-18x26x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-26-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_eca72b47-b765-43ff-918e-b4689067a5d3.jpg?v=1781243805 Filter King 18x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 26 x .75" Filter King 18x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 26 x .75" https://hvacdirectusa.com/products/filter-king-18x27-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-27-5-x-75-fk18x27-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_99c94abb-fb36-4b31-adad-a89d14fe092b.jpg?v=1781243804 Filter King 18x27.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 27.5 x .75" - FK18x27.5x1A-M8 -4 Filter King 18x27.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 27.5 x .75" - FK18x27.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x27x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-27-x-75-fk18x27x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_943dfada-d1ab-4fb2-84a7-078e98f369f1.jpg?v=1781243803 Filter King 18x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 27 x .75" - FK18x27x1A-M8 - 4 Filter King 18x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 27 x .75" - FK18x27x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-18x28-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-28-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d33d234e-b042-4073-a144-3612bdcc565f.jpg?v=1781243802 Filter King 18x28.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 28.5 x .75" Filter King 18x28.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 28.5 x .75" https://hvacdirectusa.com/products/filter-king-18x29-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-29-5-x-75-fk18x29-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_59fe58a4-36ac-4781-87ea-4a9bde96b404.jpg?v=1781243801 Filter King 18x29.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 29.5 x .75" - FK18x29.5x1A-M8 - 4 Filter King 18x29.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 29.5 x .75" - FK18x29.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-18x29x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-29-x-75-fk18x29x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6e26b104-6b38-4139-b7cb-c60f022def8b.jpg?v=1781243801 Filter King 18x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 29 x .75" - FK18x29x1A-M8 - 4 Filter King 18x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 29 x .75" - FK18x29x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-18x30-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-30-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f7c0dd0e-3cf8-4661-9ed9-360cafaf5e99.jpg?v=1781243800 Filter King 18x30.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 30.5 x .75" Filter King 18x30.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 30.5 x .75" https://hvacdirectusa.com/products/filter-king-18x31-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-31-5-x-75-fk18x31-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_498c6130-3fa2-464f-8ec7-ea23748128f8.jpg?v=1781243799 Filter King 18x31.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 31.5 x .75" - FK18x31.5x1A-M8 -4 Filter King 18x31.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 31.5 x .75" - FK18x31.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x31x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-31-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f9d19e34-7e22-4dae-99f0-fb714c890fe9.jpg?v=1781243798 Filter King 18x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 31 x .75" Filter King 18x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 31 x .75" https://hvacdirectusa.com/products/filter-king-18x32x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-32-x-75-fk18x32x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_de2ea6f4-a86f-4727-8571-2cc1509ed031.jpg?v=1781243797 Filter King 18x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 32 x .75" - FK18x32x1A-M8 -4 Filter King 18x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 32 x .75" - FK18x32x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x33-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-33-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b2245c08-46e5-4125-977d-237fda50bb88.jpg?v=1781243797 Filter King 18x33.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 33.5 x .75" Filter King 18x33.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 33.5 x .75" https://hvacdirectusa.com/products/filter-king-18x33x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-33-x-75-fk18x33x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b4dc7a52-7827-45e8-b954-e0ec1a2a5714.jpg?v=1781243796 Filter King 18x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 33 x .75" - FK18x33x1A-M8 -4 Filter King 18x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 33 x .75" - FK18x33x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x34-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-34-5-x-75-fk18x34-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_505c4dae-2b83-46ee-9fc0-3e89643a4739.jpg?v=1781243795 Filter King 18x34.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 34.5 x .75" - FK18x34.5x1A-M8 -4 Filter King 18x34.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 34.5 x .75" - FK18x34.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x34x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-34-x-75-fk18x34x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8dc1dc8f-8630-477b-a46c-a0d833239aa8.jpg?v=1781243795 Filter King 18x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 34 x .75" - FK18x34x1A-M8 -4 Filter King 18x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 34 x .75" - FK18x34x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x35-5x1-air-filter-4-pack-merv-8-actual-size-18-x-35-5-x-75-fk18x35-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5ad76cf9-557e-48e7-ba0a-a703f2dcdfe0.jpg?v=1781243794 Filter King 18x35.5x1 Air Filter 4-PACK MERV 8 Actual Size 18 x 35.5 x .75" - FK18x35.5x1A-M8 -4 Filter King 18x35.5x1 Air Filter 4-PACK MERV 8 Actual Size 18 x 35.5 x .75" - FK18x35.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x35x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-35-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_33c3ad2b-dae3-44f5-86d5-c5ec65a4f4f2.jpg?v=1781243793 Filter King 18x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 35 x .75" Filter King 18x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 35 x .75" https://hvacdirectusa.com/products/filter-king-18x36-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-36-5-x-75-fk18x36-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4cc9d90e-89db-4d88-ad04-badfddd3ccbc.jpg?v=1781243792 Filter King 18x36.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 36.5 x .75" - FK18x36.5x1A-M8 -4 Filter King 18x36.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 36.5 x .75" - FK18x36.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x36x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-36-x-75-fk18x36x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_adf88709-4b5a-4d72-887e-ba1b30ced556.jpg?v=1781243785 Filter King 18x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 36 x .75" - FK18x36x1A-M8 - 4 Filter King 18x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 36 x .75" - FK18x36x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-18x37-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-37-5-x-75-fk18x37-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ee52b53d-f276-4879-9c89-b37bd76ddf18.jpg?v=1781243784 Filter King 18x37.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 37.5 x .75" - FK18x37.5x1A-M8 -4 Filter King 18x37.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 37.5 x .75" - FK18x37.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x37x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-37-x-75-fk18x37x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b7d1ab63-82da-481a-be4a-d04ba4a07ae0.jpg?v=1781243784 Filter King 18x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 37 x .75" - FK18x37x1A-M8 -4 Filter King 18x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 37 x .75" - FK18x37x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x38-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-38-5-x-75-fk18x38-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9cb20073-82ed-43d3-8c17-5c4ac0664ac5.jpg?v=1781243783 Filter King 18x38.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 38.5 x .75" - FK18x38.5x1A-M8 -4 Filter King 18x38.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 38.5 x .75" - FK18x38.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x38x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-38-x-75-fk18x38x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8561e1a8-4ba2-429a-baf2-8a2e16a09ada.jpg?v=1781243782 Filter King 18x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 38 x .75" - FK18x38x1A-M8 -4 Filter King 18x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 38 x .75" - FK18x38x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x39-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-39-5-x-75-fk18x39-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9ddfaedf-661c-49cf-aa63-151cc1eaae06.jpg?v=1781243781 Filter King 18x39.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 39.5 x .75" - FK18x39.5x1A-M8 - 4 Filter King 18x39.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 39.5 x .75" - FK18x39.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-18x39x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-39-x-75-fk18x39x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a8d2bd1c-df8f-4e6b-80d7-030fa8a5bc1f.jpg?v=1781243780 Filter King 18x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 39 x .75" - FK18x39x1A-M8 -4 Filter King 18x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 39 x .75" - FK18x39x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x4-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-4-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1b2c0679-18b6-4222-8ef1-348dd93f7b0f.jpg?v=1781243780 Filter King 18x4.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 4.5 x .75" Filter King 18x4.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 4.5 x .75" https://hvacdirectusa.com/products/filter-king-18x40-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-40-5-x-75-fk18x40-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c0e52376-dc22-40ed-9a0f-e18aae84cc8f.jpg?v=1781243779 Filter King 18x40.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 40.5 x .75" - FK18x40.5x1A-M8 -4 Filter King 18x40.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 40.5 x .75" - FK18x40.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x40x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-40-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a94b60e3-14ac-4b94-9576-e026ec1b9986.jpg?v=1781243778 Filter King 18x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 40 x .75" Filter King 18x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 40 x .75" https://hvacdirectusa.com/products/filter-king-18x41-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-41-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_16e96e7d-25f3-41df-968d-d4eaac7898af.jpg?v=1781243777 Filter King 18x41.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 41.5 x .75" Filter King 18x41.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 41.5 x .75" https://hvacdirectusa.com/products/filter-king-18x41x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-41-x-75-fk18x41x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_95d5d0fc-1a44-4897-b51b-006408cf8079.jpg?v=1781243776 Filter King 18x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 41 x .75" - FK18x41x1A-M8 -4 Filter King 18x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 41 x .75" - FK18x41x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x42-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-42-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d4916f46-e206-4279-b7a6-7f566f4491e5.jpg?v=1781243776 Filter King 18x42.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 42.5 x .75" Filter King 18x42.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 42.5 x .75" https://hvacdirectusa.com/products/filter-king-18x42x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-42-x-75-fk18x42x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e67bbf57-2b26-426d-bec9-fc152a511a3e.jpg?v=1781243775 Filter King 18x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 42 x .75" - FK18x42x1A-M8 -4 Filter King 18x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 42 x .75" - FK18x42x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x43-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-43-5-x-75-fk18x43-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2be773e6-213d-4944-96a4-2e1d01225841.jpg?v=1781243774 Filter King 18x43.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 43.5 x .75" - FK18x43.5x1A-M8 -4 Filter King 18x43.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 43.5 x .75" - FK18x43.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x43x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-43-x-75-fk18x43x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_00f002fc-836f-48fe-8e8f-6f36155a9511.jpg?v=1781243773 Filter King 18x43x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 43 x .75" - FK18x43x1A-M8 -4 Filter King 18x43x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 43 x .75" - FK18x43x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x44-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-44-5-x-75-fk18x44-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8c1df4df-6fad-4135-a94f-db36f09b71ba.jpg?v=1781243772 Filter King 18x44.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 44.5 x .75" - FK18x44.5x1A-M8 -4 Filter King 18x44.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 44.5 x .75" - FK18x44.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x44x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-44-x-75-fk18x44x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5f1ab3a7-ed7a-4a5b-a06d-4878373d7ddc.jpg?v=1781243772 Filter King 18x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 44 x .75" - FK18x44x1A-M8 -4 Filter King 18x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 44 x .75" - FK18x44x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x45-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-45-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_429f88d1-ceab-47e1-9c14-542494386efa.jpg?v=1781243771 Filter King 18x45.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 45.5 x .75" Filter King 18x45.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 45.5 x .75" https://hvacdirectusa.com/products/filter-king-18x45x1-air-filter-4-pack-merv-8-actual-size-18-x-45-x-75-fk18x45x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_45f9c912-7409-4196-ade4-1a35e121eb7f.jpg?v=1781243770 Filter King 18x45x1 Air Filter 4-PACK MERV 8 Actual Size 18 x 45 x .75" - FK18x45x1A-M8 -4 Filter King 18x45x1 Air Filter 4-PACK MERV 8 Actual Size 18 x 45 x .75" - FK18x45x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x46x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-46-x-75-fk18x46x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_33ad6ce9-f6aa-49d6-bc69-f237e01c7ed4.jpg?v=1781243769 Filter King 18x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 46 x .75" - FK18x46x1A-M8 -4 Filter King 18x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 46 x .75" - FK18x46x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x47-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-47-5-x-75-fk18x47-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e1e85c48-09e1-4650-a48a-e4d5b3fcde63.jpg?v=1781243768 Filter King 18x47.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 47.5 x .75" - FK18x47.5x1A-M8 -4 Filter King 18x47.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 47.5 x .75" - FK18x47.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x47x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-47-x-75-fk18x47x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_771fa3ab-3770-48e4-bd24-7f15e74781b2.jpg?v=1781243768 Filter King 18x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 47 x .75" - FK18x47x1A-M8 -4 Filter King 18x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 47 x .75" - FK18x47x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x48-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-48-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e00b3da2-7610-40d9-81ec-bc7ed11ceca5.jpg?v=1781243767 Filter King 18x48.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 48.5 x .75" Filter King 18x48.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 48.5 x .75" https://hvacdirectusa.com/products/filter-king-18x48x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-48-x-75-fk18x48x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3cd0e541-312a-4145-be70-d46ae43ca48a.jpg?v=1781243766 Filter King 18x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 48 x .75" - FK18x48x1A-M8 -4 Filter King 18x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 48 x .75" - FK18x48x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x49-5x1-air-filter-4-pack-merv-8-actual-size-18-x-49-5-x-75-fk18x49-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5eb4dc35-259f-46c2-9864-61ea2de5b62d.jpg?v=1781243765 Filter King 18x49.5x1 Air Filter 4-PACK MERV 8 Actual Size 18 x 49.5 x .75" - FK18x49.5x1A-M8 -4 Filter King 18x49.5x1 Air Filter 4-PACK MERV 8 Actual Size 18 x 49.5 x .75" - FK18x49.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x49x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-49-x-75-fk18x49x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_994cf123-ba13-4203-8fba-ed7940338744.jpg?v=1781243765 Filter King 18x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 49 x .75" - FK18x49x1A-M8 -4 Filter King 18x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 49 x .75" - FK18x49x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x4x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-4-x-75-fk18x4x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4caa70ff-57b2-4f46-b890-28d5e77224fb.jpg?v=1781243764 Filter King 18x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 4 x .75" - FK18x4x1A-M8 -4 Filter King 18x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 4 x .75" - FK18x4x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x5-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-5-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a9d4ad10-9664-4103-abd9-22bcc1367d6e.jpg?v=1781243763 Filter King 18x5.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 5.5 x .75" Filter King 18x5.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 5.5 x .75" https://hvacdirectusa.com/products/filter-king-18x50-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-50-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2ba7e51d-b5aa-4837-b2a3-076bc02eb640.jpg?v=1781243762 Filter King 18x50.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 50.5 x .75" Filter King 18x50.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 50.5 x .75" https://hvacdirectusa.com/products/filter-king-18x50x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-50-x-75-fk18x50x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d0803110-b5d4-44ea-be26-45cd9fa5d22a.jpg?v=1781243762 Filter King 18x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 50 x .75" - FK18x50x1A-M8 -4 Filter King 18x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 50 x .75" - FK18x50x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x51x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-51-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6b3adff3-7042-4b9f-95a3-af3ac500e118.jpg?v=1781243761 Filter King 18x51x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 51 x .75" Filter King 18x51x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 51 x .75" https://hvacdirectusa.com/products/filter-king-18x52-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-52-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_bb38c917-71d8-4b22-b0dc-433504fde517.jpg?v=1781243760 Filter King 18x52.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 52.5 x .75" Filter King 18x52.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 52.5 x .75" https://hvacdirectusa.com/products/filter-king-18x52x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-52-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_faef0796-78ad-4e53-86b0-e1183e063dd7.jpg?v=1781243760 Filter King 18x52x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 52 x .75" Filter King 18x52x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 52 x .75" https://hvacdirectusa.com/products/filter-king-18x53x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-53-x-75-fk18x53x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_83e13d17-7297-48c6-aaad-7a0caadc4fd9.jpg?v=1781243759 Filter King 18x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 53 x .75" - FK18x53x1A-M8 -4 Filter King 18x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 53 x .75" - FK18x53x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x54-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-54-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_267ad4b9-e101-452b-933e-67079e0c7086.jpg?v=1781243758 Filter King 18x54.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 54.5 x .75" Filter King 18x54.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 54.5 x .75" https://hvacdirectusa.com/products/filter-king-18x54x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-54-x-75-fk18x54x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_08f9f896-d700-4cce-b2e2-cb23afa4f310.jpg?v=1781243757 Filter King 18x54x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 54 x .75" - FK18x54x1A-M8 -4 Filter King 18x54x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 54 x .75" - FK18x54x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x55-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-55-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c251d2fd-e6cb-4742-8d7d-1666a8d10d5b.jpg?v=1781243756 Filter King 18x55.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 55.5 x .75" Filter King 18x55.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 55.5 x .75" https://hvacdirectusa.com/products/filter-king-18x55x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-55-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_84a8af9b-568d-4996-9ff1-f4a4db2a7af7.jpg?v=1781243756 Filter King 18x55x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 55 x .75" - Filter King 18x55x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 55 x .75" - https://hvacdirectusa.com/products/filter-king-18x56x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-56-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6c8d1e5d-a0c2-48a3-9b7a-da65732dd98d.jpg?v=1781243755 Filter King 18x56x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 56 x .75" Filter King 18x56x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 56 x .75" https://hvacdirectusa.com/products/filter-king-18x57-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-57-5-x-75-fk18x57-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c47f167f-b312-4e3c-826b-dbdd07397478.jpg?v=1781243754 Filter King 18x57.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 57.5 x .75" - FK18x57.5x1A-M8 -4 Filter King 18x57.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 57.5 x .75" - FK18x57.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x57x1-air-filter-4-pack-merv-8-actual-size-18-x-57-x-75-fk18x57x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_abd9ec68-f13f-487a-aaa1-8fd5f49b7d01.jpg?v=1781243753 Filter King 18x57x1 Air Filter 4-PACK MERV 8 Actual Size 18 x 57 x .75" - FK18x57x1A-M8 -4 Filter King 18x57x1 Air Filter 4-PACK MERV 8 Actual Size 18 x 57 x .75" - FK18x57x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x58-5x1-air-filter-4-pack-merv-8-actual-size-18-x-58-5-x-75-fk18x58-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_cf4a2547-1164-4179-b6f4-92e664486269.jpg?v=1781243753 Filter King 18x58.5x1 Air Filter 4-PACK MERV 8 Actual Size 18 x 58.5 x .75" - FK18x58.5x1A-M8 - 4 Filter King 18x58.5x1 Air Filter 4-PACK MERV 8 Actual Size 18 x 58.5 x .75" - FK18x58.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-18x59-5x1-air-filter-4-pack-merv-8-actual-size-18-x-59-5-x-75-fk18x59-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_55233029-1f56-4c9b-bc8f-ce5d177e182a.jpg?v=1781243752 Filter King 18x59.5x1 Air Filter 4-PACK MERV 8 Actual Size 18 x 59.5 x .75" - FK18x59.5x1A-M8-4 Filter King 18x59.5x1 Air Filter 4-PACK MERV 8 Actual Size 18 x 59.5 x .75" - FK18x59.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-18x59x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-59-x-75-fk18x59x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d685ab0c-0cee-44ee-9788-35f21e188d32.jpg?v=1781243751 Filter King 18x59x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 59 x .75" - FK18x59x1A-M8 -4 Filter King 18x59x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 59 x .75" - FK18x59x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-5-x-75-fk18x5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f245f8dd-ac7b-4452-a1b6-bc43e8ee2aa9.jpg?v=1781243750 Filter King 18x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 5 x .75" - FK18x5x1A-M8 -4 Filter King 18x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 5 x .75" - FK18x5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x6-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-6-5-x-75-fk18x6-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8961a249-5171-452e-9728-c5df922ec47e.jpg?v=1781243750 Filter King 18x6.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 6.5 x .75" - FK18x6.5x1A-M8 -4 Filter King 18x6.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 6.5 x .75" - FK18x6.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x60-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-60-5-x-75-fk18x60-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a2a36ba5-0bc3-48ed-a6b6-7d9dd5266c23.jpg?v=1781243749 Filter King 18x60.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 60.5 x .75" - FK18x60.5x1A-M8 -4 Filter King 18x60.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 60.5 x .75" - FK18x60.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x61-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-61-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e9350727-5a04-4c67-af64-8278f50c7b8d.jpg?v=1781243748 Filter King 18x61.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 61.5 x .75" Filter King 18x61.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 61.5 x .75" https://hvacdirectusa.com/products/filter-king-18x61x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-61-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ec29fdac-a71d-41e7-a3ee-6c44512f5a20.jpg?v=1781243747 Filter King 18x61x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 61 x .75" Filter King 18x61x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 61 x .75" https://hvacdirectusa.com/products/filter-king-18x62-5x1-air-filter-4-pack-merv-8-actual-size-18-x-62-5-x-75-fk18x62-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_72a5507b-5180-4bb6-840d-57fb4542d3ef.jpg?v=1781243747 Filter King 18x62.5x1 Air Filter 4-PACK MERV 8 Actual Size 18 x 62.5 x .75" - FK18x62.5x1A-M8 -4 Filter King 18x62.5x1 Air Filter 4-PACK MERV 8 Actual Size 18 x 62.5 x .75" - FK18x62.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x62x1-air-filter-4-pack-merv-8-actual-size-18-x-62-x-75-fk18x62x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_64ee9b2c-3684-4482-95c1-c95aa9e972b5.jpg?v=1781243746 Filter King 18x62x1 Air Filter 4-PACK MERV 8 Actual Size 18 x 62 x .75" - FK18x62x1A-M8 -4 Filter King 18x62x1 Air Filter 4-PACK MERV 8 Actual Size 18 x 62 x .75" - FK18x62x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x63-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-63-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e038a94e-e530-446a-8457-4f3aa5125717.jpg?v=1781243745 Filter King 18x63.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 63.5 x .75" Filter King 18x63.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 63.5 x .75" https://hvacdirectusa.com/products/filter-king-18x63x1-air-filter-4-pack-merv-8-actual-size-18-x-63-x-75-fk18x63x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_abd4aae1-e90a-478e-a47a-fa0da16008e1.jpg?v=1781243744 Filter King 18x63x1 Air Filter 4-PACK MERV 8 Actual Size 18 x 63 x .75" - FK18x63x1A-M8 - 4 Filter King 18x63x1 Air Filter 4-PACK MERV 8 Actual Size 18 x 63 x .75" - FK18x63x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-18x64-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-64-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_057560b1-8398-42ec-9298-91982bfed467.jpg?v=1781243743 Filter King 18x64.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 64.5 x .75" Filter King 18x64.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 64.5 x .75" https://hvacdirectusa.com/products/filter-king-18x64x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-64-x-75-fk18x64x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c18662e5-f052-4bbf-bfcf-137c77f0cff3.jpg?v=1781243743 Filter King 18x64x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 64 x .75" - FK18x64x1A-M8 -4 Filter King 18x64x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 64 x .75" - FK18x64x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x65x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-65-x-75-fk18x65x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_74251e26-52ea-44b9-8a0a-dd034a00e853.jpg?v=1781243742 Filter King 18x65x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 65 x .75" - FK18x65x1A-M8 -4 Filter King 18x65x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 65 x .75" - FK18x65x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x66-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-66-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3a1402ab-223d-42b7-9eea-3418a0e62bec.jpg?v=1781243741 Filter King 18x66.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 66.5 x .75" Filter King 18x66.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 66.5 x .75" https://hvacdirectusa.com/products/filter-king-18x66x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-66-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_542b307e-ff0c-4dd0-a0f6-18b83cc8d086.jpg?v=1781243740 Filter King 18x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 66 x .75" Filter King 18x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 66 x .75" https://hvacdirectusa.com/products/filter-king-18x6x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-6-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_abc8352b-3aee-4cc2-b7ea-8d544702e1ae.jpg?v=1781243740 Filter King 18x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 6 x .75" Filter King 18x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 6 x .75" https://hvacdirectusa.com/products/filter-king-18x7x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-7-x-75-fk18x7x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9edb7d82-f74d-470b-8971-0b396934fad0.jpg?v=1781243739 Filter King 18x7x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 7 x .75" - FK18x7x1A-M8 -4 Filter King 18x7x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 7 x .75" - FK18x7x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x8-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-8-5-x-75-fk18x8-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_bdf78f1b-8fe1-4cd8-86f1-4026dfc1f1a4.jpg?v=1781243738 Filter King 18x8.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 8.5 x .75" - FK18x8.5x1A-M8 -4 Filter King 18x8.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 8.5 x .75" - FK18x8.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x8x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-8-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_717b7ca6-ae8d-40a4-81c9-97c3eb7e892f.jpg?v=1781243737 Filter King 18x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 8 x .75" Filter King 18x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 8 x .75" https://hvacdirectusa.com/products/filter-king-18x9-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-9-5-x-75-fk18x9-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4216b24e-2ea2-4c5b-a51a-30121262ab5a.jpg?v=1781243737 Filter King 18x9.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 9.5 x .75" - FK18x9.5x1A-M8 -4 Filter King 18x9.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 9.5 x .75" - FK18x9.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-18x9x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-x-9-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c7413797-ec0c-48e8-b6ca-c1304502e466.jpg?v=1781243736 Filter King 18x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 9 x .75" Filter King 18x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 9 x .75" https://hvacdirectusa.com/products/filter-king-19-5x10-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-10-5-x-75-fk19-5x10-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_15fc2a04-5b75-4b14-950e-ab388ec236c2.jpg?v=1781243735 Filter King 19.5x10.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 10.5 x .75" - FK19.5x10.5x1A-M8 -4 Filter King 19.5x10.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 10.5 x .75" - FK19.5x10.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x10x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-10-x-75-fk19-5x10x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b7b3e648-fd85-49a5-a524-abb378446070.jpg?v=1781243735 Filter King 19.5x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 10 x .75" - FK19.5x10x1A-M8-4 Filter King 19.5x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 10 x .75" - FK19.5x10x1A-M8-4 https://hvacdirectusa.com/products/filter-king-19-5x12-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-12-5-x-75-fk19-5x12-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9dc8be8a-2225-4b84-ac08-87fa606e73f7.jpg?v=1781243734 Filter King 19.5x12.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 12.5 x .75" - FK19.5x12.5x1A-M8 -4 Filter King 19.5x12.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 12.5 x .75" - FK19.5x12.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x12x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-12-x-75-fk19-5x12x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_81a03122-8063-4cf4-8a46-c1e329799e88.jpg?v=1781243733 Filter King 19.5x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 12 x .75" - FK19.5x12x1A-M8 -4 Filter King 19.5x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 12 x .75" - FK19.5x12x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x13-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-13-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a521c5da-2b32-480f-889e-941a92ec645e.jpg?v=1781243732 Filter King 19.5x13.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 13.5 x .75" Filter King 19.5x13.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 13.5 x .75" https://hvacdirectusa.com/products/filter-king-19-5x13x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-13-x-75-fk19-5x13x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7e68e742-09ad-410e-8bed-d61d70968f7e.jpg?v=1781243732 Filter King 19.5x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 13 x .75" - FK19.5x13x1A-M8 -4 Filter King 19.5x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 13 x .75" - FK19.5x13x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x14-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-14-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0df59442-1326-4ad0-b892-1b520680ccf0.jpg?v=1781243731 Filter King 19.5x14.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 14.5 x .75" Filter King 19.5x14.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 14.5 x .75" https://hvacdirectusa.com/products/filter-king-19-5x14x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-14-x-75-fk19-5x14x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_601e8c82-75a5-41e1-9866-4a473b3cc953.jpg?v=1781243730 Filter King 19.5x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 14 x .75" - FK19.5x14x1A-M8 -4 Filter King 19.5x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 14 x .75" - FK19.5x14x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x15-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-15-5-x-75-fk19-5x15-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_17fef343-dc96-40fc-922b-29995a507a9b.jpg?v=1781243729 Filter King 19.5x15.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 15.5 x .75" - FK19.5x15.5x1A-M8 -4 Filter King 19.5x15.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 15.5 x .75" - FK19.5x15.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x15-5x2-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-15-5-x-1-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a3d3d1e5-7435-4de7-b099-5e9db982dd57.jpg?v=1781243729 Filter King 19.5x15.5x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 15.5 x 1.75" Filter King 19.5x15.5x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 15.5 x 1.75" https://hvacdirectusa.com/products/filter-king-19-5x15x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-15-x-75-fk19-5x15x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0485a03a-8a2d-4b55-969c-ed1662b135ed.jpg?v=1781243728 Filter King 19.5x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 15 x .75" - FK19.5x15x1A-M8 -4 Filter King 19.5x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 15 x .75" - FK19.5x15x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x61-5x1-air-filter-4-pack-merv-8-actual-size-19-5-x-61-5-x-75-fk19-5x16-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c68e97e2-9c66-45b1-add8-a0fa0edac9cc.jpg?v=1781243727 Filter King 19.5x61.5x1 Air Filter 4-PACK MERV 8 Actual Size 19.5 x 61.5 x .75" - FK19.5x16.5x1A-M8 -4 Filter King 19.5x61.5x1 Air Filter 4-PACK MERV 8 Actual Size 19.5 x 61.5 x .75" - FK19.5x16.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x16-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-16-5-x-75-fk19-5x16-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c2916286-bd54-4c8e-9ebf-b2d0fee5a7b0.jpg?v=1781243726 Filter King 19.5x16.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 16.5 x .75" - FK19.5x16.5x1A-M8-4 Filter King 19.5x16.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 16.5 x .75" - FK19.5x16.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-19-5x16x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-16-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c862ee24-9300-433f-aacb-e461508c4507.jpg?v=1781243726 Filter King 19.5x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 16 x .75" Filter King 19.5x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 16 x .75" https://hvacdirectusa.com/products/filter-king-19-5x17-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-17-5-x-75-fk19-5x17-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_aebc6800-96eb-4d01-b15b-7f4b75728be1.jpg?v=1781243725 Filter King 19.5x17.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 17.5 x .75" - FK19.5x17.5x1A-M8 - 4 Filter King 19.5x17.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 17.5 x .75" - FK19.5x17.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-19-5x17x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-17-x-75-fk19-5x17x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8d7b8ad2-de64-4674-aab8-ffd4dd69c106.jpg?v=1781243724 Filter King 19.5x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 17 x .75" - FK19.5x17x1A-M8 -4 Filter King 19.5x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 17 x .75" - FK19.5x17x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x18-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-18-5-x-75-fk19-5x18-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_06b88180-5647-423f-9e5a-95f3ebf52584.jpg?v=1781243723 Filter King 19.5x18.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 18.5 x .75" - FK19.5x18.5x1A-M8 - 4 Filter King 19.5x18.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 18.5 x .75" - FK19.5x18.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-19-5x18x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-18-x-75-fk19-5x18x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_10064d44-faa7-4917-8c6e-1a56fc0df8ad.jpg?v=1781243723 Filter King 19.5x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 18 x .75" - FK19.5x18x1A-M8 -4 Filter King 19.5x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 18 x .75" - FK19.5x18x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x19-5x1-air-filter-4-pack-merv-13-hvac-pleated-a-c-furnace-filter-made-in-usa-actual-size-19-5-x-19-5-x-76 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_bf91cb33-fc63-4b44-841a-ecd2ea429b21.jpg?v=1781243722 Filter King 19.5x19.5x1 Air Filter | 4-PACK | MERV 13 HVAC Pleated A/C Furnace Filter | MADE IN USA | Actual Size: 19.5 x 19.5 x .75" Filter King 19.5x19.5x1 Air Filter | 4-PACK | MERV 13 HVAC Pleated A/C Furnace Filter | MADE IN USA | Actual Size: 19.5 x 19.5 x .75" https://hvacdirectusa.com/products/filter-king-19-5x19-5x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-19-5-x-75-fk19-5x19-5x1a-m8-3 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5004c555-21b1-4957-adc0-220ee6b6d3cc.jpg?v=1781243721 Filter King 19.5x19.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 19.5 x .75" - FK19.5x19.5x1A-M8 -3 Filter King 19.5x19.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 19.5 x .75" - FK19.5x19.5x1A-M8 -3 https://hvacdirectusa.com/products/filter-king-19-5x19-5x2-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-19-5-x-1-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c9e72623-b91c-4d65-8e7d-cdd6eaf6e6ed.jpg?v=1781243718 Filter King 19.5x19.5x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 19.5 x 1.75" Filter King 19.5x19.5x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 19.5 x 1.75" https://hvacdirectusa.com/products/filter-king-19-5x19-5x4-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-19-5-x-3-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6f7895e6-ca38-452a-9d2a-da4cddf206bb.jpg?v=1781243717 Filter King 19.5x19.5x4 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 19.5 x 3.75" Filter King 19.5x19.5x4 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 19.5 x 3.75" https://hvacdirectusa.com/products/filter-king-19-5x19x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-19-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b936a116-f563-4b7e-87ae-1c454a7c18f9.jpg?v=1781243716 Filter King 19.5x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 19 x .75" Filter King 19.5x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 19 x .75" https://hvacdirectusa.com/products/filter-king-19-5x20-5x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-20-5-x-75-fk19-5x20-5x1a-m8-3 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_460ba0b3-b8fc-4c76-a04a-1d6fdf05be39.jpg?v=1781243715 Filter King 19.5x20.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 20.5 x .75" - FK19.5x20.5x1A-M8 -3 Filter King 19.5x20.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 20.5 x .75" - FK19.5x20.5x1A-M8 -3 https://hvacdirectusa.com/products/filter-king-19-5x20-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-20-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_32338fbe-0e00-43a6-bb9f-e259f398ae4c.jpg?v=1781243714 Filter King 19.5x20.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 20.5 x .75 Filter King 19.5x20.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 20.5 x .75 https://hvacdirectusa.com/products/filter-king-19-5-20-5-1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-20-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_fce11c1b-4ad5-49e5-a834-ae2dc4473f24.jpg?v=1781243713 Filter King 19.5×20.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 20.5 x .75 Filter King 19.5×20.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 20.5 x .75 https://hvacdirectusa.com/products/filter-king-19-5x20x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-20-x-75-fk19-5x20x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9903c9a2-5ec6-4afb-946b-42b6e3184784.jpg?v=1781243712 Filter King 19.5x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 20 x .75" - FK19.5x20x1A-M8 -4 Filter King 19.5x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 20 x .75" - FK19.5x20x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x21-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-21-5-x-75-fk19-5x21-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_32375e76-f5cc-4278-8a52-8e7456db32b4.jpg?v=1781243711 Filter King 19.5x21.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 21.5 x .75" - FK19.5x21.5x1A-M8 -4 Filter King 19.5x21.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 21.5 x .75" - FK19.5x21.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x21-5x2-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-21-5-x-1-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_025c006e-edf7-4eec-86bf-e1f0e80c3548.jpg?v=1781243710 Filter King 19.5x21.5x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 21.5 x 1.75 Filter King 19.5x21.5x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 21.5 x 1.75 https://hvacdirectusa.com/products/filter-king-19-5x22-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-22-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d0ecbd49-baa7-43fa-9d10-c752a1b34209.jpg?v=1781243709 Filter King 19.5x22.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 22.5 x .75" Filter King 19.5x22.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 22.5 x .75" https://hvacdirectusa.com/products/filter-king-19-5x22x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-22-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_aba64b8a-2271-4d60-bc56-2f0320105c8f.jpg?v=1781243709 Filter King 19.5x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 22 x .75" Filter King 19.5x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 22 x .75" https://hvacdirectusa.com/products/filter-king-19-5x23x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-23-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b9e8cbc0-6e7c-4279-b92d-e28f185fe1df.jpg?v=1781243708 Filter King 19.5x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 23 x .75" Filter King 19.5x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 23 x .75" https://hvacdirectusa.com/products/filter-king-19-5x24-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-24-5-x-76 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4bbe6d99-ca03-44fd-b7e7-fbb9a37cd6e2.jpg?v=1781243707 Filter King 19.5x24.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 24.5 x .75" Filter King 19.5x24.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 24.5 x .75" https://hvacdirectusa.com/products/filter-king-19-5x24-5x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-24-5-x-75-fk19-5x24-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_44cad866-a0ad-49d4-8f7a-55de48784e58.jpg?v=1781243707 Filter King 19.5x24.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 24.5 x .75" - FK19.5x24.5x1A-M8 -4 Filter King 19.5x24.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 24.5 x .75" - FK19.5x24.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x24-5x2-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-24-5-x-1-75-fk19-5x24-5x2a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f6b80d2d-106f-4e12-bb26-5aef35c1667f.jpg?v=1781243706 Filter King 19.5x24.5x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 24.5 x 1.75" - FK19.5x24.5x2A-M8 - 4 Filter King 19.5x24.5x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 24.5 x 1.75" - FK19.5x24.5x2A-M8 - 4 https://hvacdirectusa.com/products/filter-king-19-5x24-5x4-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-24-5-x-3-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_406732ac-8f23-44ba-bcbf-6ed4d3bdc3b2.jpg?v=1781243705 Filter King 19.5x24.5x4 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 24.5 x 3.75" Filter King 19.5x24.5x4 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 24.5 x 3.75" https://hvacdirectusa.com/products/filter-king-19-5x24x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-24-x-75-fk19-5x24x1a-m8-1 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_19b09cb8-c042-4d73-80c2-f96d9b75c12f.jpg?v=1781243704 Filter King 19.5x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 24 x .75" - FK19.5x24x1A-M8 -1 Filter King 19.5x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 24 x .75" - FK19.5x24x1A-M8 -1 https://hvacdirectusa.com/products/filter-king-19-5x25-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-25-5-x-75-fk19-5x25-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_00bf261b-d3b3-4051-8c63-20e70aefe6a5.jpg?v=1781243703 Filter King 19.5x25.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 25.5 x .75" - FK19.5x25.5x1A-M8 -4 Filter King 19.5x25.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 25.5 x .75" - FK19.5x25.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x25x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-25-x-75-fk19-5x25x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_18666dcd-1f80-4b89-8354-0dcd1a398814.jpg?v=1781243703 Filter King 19.5x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 25 x .75" - FK19.5x25x1A-M8 -4 Filter King 19.5x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 25 x .75" - FK19.5x25x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x26-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-26-5-x-75-fk19-5x26-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_62fa0988-2844-409d-a9b5-99371ca5a742.jpg?v=1781243702 Filter King 19.5x26.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 26.5 x .75" - FK19.5x26.5x1A-M8 -4 Filter King 19.5x26.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 26.5 x .75" - FK19.5x26.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x26x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-26-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_725be817-6bb8-4af1-bffe-34cbb7a18651.jpg?v=1781243701 Filter King 19.5x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 26 x .75" Filter King 19.5x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 26 x .75" https://hvacdirectusa.com/products/filter-king-19-5x27-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-27-5-x-75-fk19-5x27-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3b318b46-1ef3-4e96-9804-1121e8b9ae5d.jpg?v=1781243700 Filter King 19.5x27.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 27.5 x .75" - FK19.5x27.5x1A-M8-4 Filter King 19.5x27.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 27.5 x .75" - FK19.5x27.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-19-5x27x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-27-x-75-fk19-5x27x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_fb0a866c-e616-43e3-908b-2bee063927c9.jpg?v=1781243700 Filter King 19.5x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 27 x .75" - FK19.5x27x1A-M8 -4 Filter King 19.5x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 27 x .75" - FK19.5x27x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x28-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-28-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_693a33ae-eaea-4911-92a3-bcd7bcdb531a.jpg?v=1781243699 Filter King 19.5x28.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 28.5 x .75" Filter King 19.5x28.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 28.5 x .75" https://hvacdirectusa.com/products/filter-king-19-5x28x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-28-x-75-fk19-5x28x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7dc4522b-ba16-48ef-965b-a08c950754e9.jpg?v=1781243698 Filter King 19.5x28x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 28 x .75" - FK19.5x28x1A-M8 -4 Filter King 19.5x28x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 28 x .75" - FK19.5x28x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x29-5x2-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-29-5-x-1-75-fk19-5x29-5x2a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_606750ed-9306-4fa0-8b29-9c08d0e0634d.jpg?v=1781243698 Filter King 19.5x29.5x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 29.5 x 1.75" - FK19.5x29.5x2A-M8 -4 Filter King 19.5x29.5x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 29.5 x 1.75" - FK19.5x29.5x2A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x29x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-29-x-75-fk19-5x29x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_08f1bdf3-c5c0-4de8-9548-ab76a6575586.jpg?v=1781243694 Filter King 19.5x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 29 x .75" - FK19.5x29x1A-M8 -4 Filter King 19.5x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 29 x .75" - FK19.5x29x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x30-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-30-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0012805b-3f2a-4c96-8fee-01e7c0334532.jpg?v=1781243693 Filter King 19.5x30.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 30.5 x .75" Filter King 19.5x30.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 30.5 x .75" https://hvacdirectusa.com/products/filter-king-19-5x30x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-30-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_dc7fdbc5-38a5-4aa9-9442-94138e4ac86d.jpg?v=1781243693 Filter King 19.5x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 30 x .75" Filter King 19.5x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 30 x .75" https://hvacdirectusa.com/products/filter-king-19-5x31-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-31-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_631bdfc6-4b42-490a-a156-a1598f311051.jpg?v=1781243692 Filter King 19.5x31.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 31.5 x .75" Filter King 19.5x31.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 31.5 x .75" https://hvacdirectusa.com/products/filter-king-19-5x31-5x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-31-5-x-75-fk19-5x31-5x1a-m8-3 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_cddb5565-ea1b-43dc-9b94-dd640a790a2a.jpg?v=1781243691 Filter King 19.5x31.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 31.5 x .75" - FK19.5x31.5x1A-M8 -3 Filter King 19.5x31.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 31.5 x .75" - FK19.5x31.5x1A-M8 -3 https://hvacdirectusa.com/products/filter-king-19-5x31x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-31-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3bf6a33c-239a-4d08-8bbf-ca61fb5813f2.jpg?v=1781243691 Filter King 19.5x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 31 x .75" Filter King 19.5x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 31 x .75" https://hvacdirectusa.com/products/filter-king-19-5x32x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-32-x-75-fk19-5x32x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ad940e1c-b1f0-4ed6-9edc-e2d5558c5f60.jpg?v=1781243690 Filter King 19.5x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 32 x .75" - FK19.5x32x1A-M8 -4 Filter King 19.5x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 32 x .75" - FK19.5x32x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x33-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-33-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_698af8f8-6a79-4733-be91-43b2ec5908ab.jpg?v=1781243690 Filter King 19.5x33.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 33.5 x .75" Filter King 19.5x33.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 33.5 x .75" https://hvacdirectusa.com/products/filter-king-19-5x34x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-34-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e9c99313-5afd-465c-82b9-52ee99c7e9d6.jpg?v=1781243689 Filter King 19.5x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 34 x .75" Filter King 19.5x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 34 x .75" https://hvacdirectusa.com/products/filter-king-19-5x35-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-35-5-x-75-fk19-5x35-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1930a2a2-549f-49b4-a3e8-967d0cc687bc.jpg?v=1781243688 Filter King 19.5x35.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 35.5 x .75" - FK19.5x35.5x1A-M8 - 4 Filter King 19.5x35.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 35.5 x .75" - FK19.5x35.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-19-5x35-5x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-35-5-x-75-fk19-5x35-5x1a-m8-3 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2bf97fb1-7a01-457e-9f4b-f055b8f04e2f.jpg?v=1781243688 Filter King 19.5x35.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 35.5 x .75" - FK19.5x35.5x1A-M8-3 Filter King 19.5x35.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 35.5 x .75" - FK19.5x35.5x1A-M8-3 https://hvacdirectusa.com/products/filter-king-19-5x36x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-36-x-75-fk19-5x36x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_35b6a90f-19f9-44a7-9695-85b0705b8821.jpg?v=1781243687 Filter King 19.5x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 36 x .75" - FK19.5x36x1A-M8 -4 Filter King 19.5x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 36 x .75" - FK19.5x36x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x37-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-37-5-x-75-fk19-5x37-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2486f05c-c97b-45db-bf93-860a75b9d10f.jpg?v=1781243686 Filter King 19.5x37.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 37.5 x .75" - FK19.5x37.5x1A-M8 -4 Filter King 19.5x37.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 37.5 x .75" - FK19.5x37.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x37x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-37-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f7b69356-d478-4a82-99f4-513c9de87a25.jpg?v=1781243686 Filter King 19.5x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 37 x .75" Filter King 19.5x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 37 x .75" https://hvacdirectusa.com/products/filter-king-19-5x38-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-38-5-x-75-fk19-5x38-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d90e560e-4f5f-474d-aa0c-010b1d33db6a.jpg?v=1781243685 Filter King 19.5x38.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 38.5 x .75" - FK19.5x38.5x1A-M8 -4 Filter King 19.5x38.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 38.5 x .75" - FK19.5x38.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x38x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-38-x-75-fk19-5x38x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_37a1163f-3273-42f7-a1e0-08fabfd43faa.jpg?v=1781243685 Filter King 19.5x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 38 x .75" - FK19.5x38x1A-M8 -4 Filter King 19.5x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 38 x .75" - FK19.5x38x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x39-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-39-5-x-76 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_01f266e4-d896-4c99-bcbf-c6e9e230a14d.jpg?v=1781243684 Filter King 19.5x39.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 39.5 x .75" Filter King 19.5x39.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 39.5 x .75" https://hvacdirectusa.com/products/filter-king-19-5x39-5x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-39-5-x-75-fk19-5x39-5x1a-m8-3 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_01d3b978-ee81-4b3a-a99e-964d4b3d7ef7.jpg?v=1781243684 Filter King 19.5x39.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 39.5 x .75" - FK19.5x39.5x1A-M8 -3 Filter King 19.5x39.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 39.5 x .75" - FK19.5x39.5x1A-M8 -3 https://hvacdirectusa.com/products/filter-king-19-5x39x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-39-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_fd26fad8-537a-4938-8b8b-a7b8630b0b1a.jpg?v=1781243683 Filter King 19.5x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 39 x .75" Filter King 19.5x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 39 x .75" https://hvacdirectusa.com/products/filter-king-19-5x4-5x1-air-filter-4-pack-merv-8-actual-size-19-5-x-4-5-x-75-fk19-5x4-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6ba79c4b-6150-4d15-91e7-bcb6be9fa11d.jpg?v=1781243683 Filter King 19.5x4.5x1 Air Filter 4-PACK MERV 8 Actual Size 19.5 x 4.5 x .75" - FK19.5x4.5x1A-M8 -4 Filter King 19.5x4.5x1 Air Filter 4-PACK MERV 8 Actual Size 19.5 x 4.5 x .75" - FK19.5x4.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x40-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-40-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_765999a7-20c3-4ac9-814c-e6dd36e913b9.jpg?v=1781243682 Filter King 19.5x40.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 40.5 x .75" Filter King 19.5x40.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 40.5 x .75" https://hvacdirectusa.com/products/filter-king-19-5x41-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-41-5-x-75-fk19-5x41-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8f0b8cc1-11b2-4b2d-be2a-0aaa9d2fb243.jpg?v=1781243681 Filter King 19.5x41.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 41.5 x .75" - FK19.5x41.5x1A-M8 -4 Filter King 19.5x41.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 41.5 x .75" - FK19.5x41.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x41x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-41-x-75-fk19-5x41x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2a33d741-1276-4ff3-a970-3fe009f531c0.jpg?v=1781243681 Filter King 19.5x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 41 x .75" - FK19.5x41x1A-M8 -4 Filter King 19.5x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 41 x .75" - FK19.5x41x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x42-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-42-5-x-75-fk19-5x42-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b130c9fe-a8f3-47b7-b46f-1b696e461e0e.jpg?v=1781243680 Filter King 19.5x42.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 42.5 x .75" - FK19.5x42.5x1A-M8 -4 Filter King 19.5x42.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 42.5 x .75" - FK19.5x42.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x42x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-42-x-75-fk19-5x42x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_948d6afd-6e25-4955-ba17-bb9aa4b41f29.jpg?v=1781243680 Filter King 19.5x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 42 x .75" - FK19.5x42x1A-M8 -4 Filter King 19.5x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 42 x .75" - FK19.5x42x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x43-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-43-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d4173bcd-9da3-40c4-ab6b-53c6a5fe08df.jpg?v=1781243679 Filter King 19.5x43.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 43.5 x .75" Filter King 19.5x43.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 43.5 x .75" https://hvacdirectusa.com/products/filter-king-19-5x43x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-43-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b6051390-3457-4503-ac87-91ae61645e91.jpg?v=1781243679 Filter King 19.5x43x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 43 x .75" Filter King 19.5x43x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 43 x .75" https://hvacdirectusa.com/products/filter-king-19-5x44-5x1-air-filter-4-pack-merv-8-actual-size-19-5-x-44-5-x-75-fk19-5x44-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b4674583-fcef-46c8-a114-36a2df99c068.jpg?v=1781243678 Filter King 19.5x44.5x1 Air Filter 4-PACK MERV 8 Actual Size 19.5 x 44.5 x .75" - FK19.5x44.5x1A-M8 -4 Filter King 19.5x44.5x1 Air Filter 4-PACK MERV 8 Actual Size 19.5 x 44.5 x .75" - FK19.5x44.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x45-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-45-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ae4ec5d6-04ff-4e2e-a49b-9da736f256e1.jpg?v=1781243677 Filter King 19.5x45.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 45.5 x .75" Filter King 19.5x45.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 45.5 x .75" https://hvacdirectusa.com/products/filter-king-19-5x45x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-45-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_14f5472c-7043-48e7-be94-9e6446d58b81.jpg?v=1781243677 Filter King 19.5x45x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 45 x .75" Filter King 19.5x45x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 45 x .75" https://hvacdirectusa.com/products/filter-king-19-5x46x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-46-x-75-fk19-5x46x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_34a417b4-f469-4763-bd3e-8666d25c36e7.jpg?v=1781243676 Filter King 19.5x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 46 x .75" - FK19.5x46x1A-M8 -4 Filter King 19.5x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 46 x .75" - FK19.5x46x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x47-5x1-air-filter-4-pack-merv-8-actual-size-19-5-x-47-5-x-75-fk19-5x47-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c2a8acc2-0f75-4bbc-b521-2f0c03b52ee1.jpg?v=1781243676 Filter King 19.5x47.5x1 Air Filter 4-PACK MERV 8 Actual Size 19.5 x 47.5 x .75" - FK19.5x47.5x1A-M8 -4 Filter King 19.5x47.5x1 Air Filter 4-PACK MERV 8 Actual Size 19.5 x 47.5 x .75" - FK19.5x47.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x48-5x1-air-filter-4-pack-merv-8-actual-size-19-5-x-48-5-x-75-fk19-5x48-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_381bda99-f4db-462b-86fe-b11e8aa06db6.jpg?v=1781243675 Filter King 19.5x48.5x1 Air Filter 4-PACK MERV 8 Actual Size 19.5 x 48.5 x .75" - FK19.5x48.5x1A-M8 -4 Filter King 19.5x48.5x1 Air Filter 4-PACK MERV 8 Actual Size 19.5 x 48.5 x .75" - FK19.5x48.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x48x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-48-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9a9262e8-d40c-47ad-b3f2-cb258f8e80ed.jpg?v=1781243674 Filter King 19.5x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 48 x .75" Filter King 19.5x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 48 x .75" https://hvacdirectusa.com/products/filter-king-19-5x49-5x1-air-filter-4-pack-merv-8-actual-size-19-5-x-49-5-x-75-fk19-5x49-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_73bd4bd5-b77f-4826-8af5-60085aa4f3d7.jpg?v=1781243674 Filter King 19.5x49.5x1 Air Filter 4-PACK MERV 8 Actual Size 19.5 x 49.5 x .75" - FK19.5x49.5x1A-M8 -4 Filter King 19.5x49.5x1 Air Filter 4-PACK MERV 8 Actual Size 19.5 x 49.5 x .75" - FK19.5x49.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x49x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-49-x-75-fk19-5x49x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1bc9bd21-73b6-4bf9-970d-576b9504767b.jpg?v=1781243673 Filter King 19.5x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 49 x .75" - FK19.5x49x1A-M8 -4 Filter King 19.5x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 49 x .75" - FK19.5x49x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x4x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-4-x-75-fk19-5x4x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_312b1ad1-c4d9-4211-ac43-dc9b4362428b.jpg?v=1781243673 Filter King 19.5x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 4 x .75" - FK19.5x4x1A-M8 -4 Filter King 19.5x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 4 x .75" - FK19.5x4x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x5-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-5-5-x-75-fk19-5x5-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d861335d-b2df-41c1-8327-aad747eab8f8.jpg?v=1781243672 Filter King 19.5x5.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 5.5 x .75" - FK19.5x5.5x1A-M8 -4 Filter King 19.5x5.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 5.5 x .75" - FK19.5x5.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x50-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-50-5-x-75-fk19-5x50-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ccf9a859-4b5f-42ef-8d96-ff9adbf1bc27.jpg?v=1781243671 Filter King 19.5x50.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 50.5 x .75" - FK19.5x50.5x1A-M8 -4 Filter King 19.5x50.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 50.5 x .75" - FK19.5x50.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x51-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-51-5-x-75-fk19-5x51-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7eabd93a-adfd-4d64-bb33-daca2c777a7f.jpg?v=1781243671 Filter King 19.5x51.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 51.5 x .75" - FK19.5x51.5x1A-M8 -4 Filter King 19.5x51.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 51.5 x .75" - FK19.5x51.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x52-5x1-air-filter-4-pack-merv-8-actual-size-19-5-x-52-5-x-75-fk19-5x52-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_66614fe9-0645-495a-8513-18138f5fa388.jpg?v=1781243670 Filter King 19.5x52.5x1 Air Filter 4-PACK MERV 8 Actual Size 19.5 x 52.5 x .75" - FK19.5x52.5x1A-M8 - 4 Filter King 19.5x52.5x1 Air Filter 4-PACK MERV 8 Actual Size 19.5 x 52.5 x .75" - FK19.5x52.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-19-5x52x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-52-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f1ff3ad3-2a2b-45c7-848c-2daa37e4f34c.jpg?v=1781243670 Filter King 19.5x52x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 52 x .75" Filter King 19.5x52x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 52 x .75" https://hvacdirectusa.com/products/filter-king-19-5x53-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-53-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d96166f3-bbe4-453c-b7cf-fc5d2c056a5a.jpg?v=1781243669 Filter King 19.5x53.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 53.5 x .75" Filter King 19.5x53.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 53.5 x .75" https://hvacdirectusa.com/products/filter-king-19-5x54-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-54-5-x-75-fk19-5x54-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ffda9ca7-ace0-446b-8def-fbda6596f4e2.jpg?v=1781243668 Filter King 19.5x54.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 54.5 x .75" - FK19.5x54.5x1A-M8 -4 Filter King 19.5x54.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 54.5 x .75" - FK19.5x54.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x54x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-54-x-75-fk19-5x54x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0f23f4f8-e72a-4877-b192-36d823b57592.jpg?v=1781243668 Filter King 19.5x54x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 54 x .75" - FK19.5x54x1A-M8 -4 Filter King 19.5x54x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 54 x .75" - FK19.5x54x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x55-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-55-5-x-75-fk19-5x55-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_700b97de-cbf9-4299-bfe7-04c7376922d8.jpg?v=1781243668 Filter King 19.5x55.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 55.5 x .75" - FK19.5x55.5x1A-M8 -4 Filter King 19.5x55.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 55.5 x .75" - FK19.5x55.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x56-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-56-5-x-75-fk19-5x56-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_042afad8-5e41-4cdb-8fee-43f439a66ca9.jpg?v=1781243667 Filter King 19.5x56.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 56.5 x .75" - FK19.5x56.5x1A-M8 -4 Filter King 19.5x56.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 56.5 x .75" - FK19.5x56.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x57-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-57-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c925af05-212d-4ce1-a05b-a34ee77953e8.jpg?v=1781243666 Filter King 19.5x57.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 57.5 x .75" Filter King 19.5x57.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 57.5 x .75" https://hvacdirectusa.com/products/filter-king-19-5x57x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-57-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c8322fc7-9656-4370-8380-fd19d1d0e295.jpg?v=1781243665 Filter King 19.5x57x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 57 x .75" Filter King 19.5x57x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 57 x .75" https://hvacdirectusa.com/products/filter-king-19-5x58-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-58-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3d1977a4-932c-4cf2-962f-918a823ffbd7.jpg?v=1781243664 Filter King 19.5x58.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 58.5 x .75" Filter King 19.5x58.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 58.5 x .75" https://hvacdirectusa.com/products/filter-king-19-5x59-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-59-5-x-75-fk19-5x59-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0f39b7ad-678c-4e9e-b6df-e9d14429632f.jpg?v=1781243663 Filter King 19.5x59.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 59.5 x .75" - FK19.5x59.5x1A-M8 -4 Filter King 19.5x59.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 59.5 x .75" - FK19.5x59.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8e766ef2-5e88-4fe7-92b6-2b2fc4eea70f.jpg?v=1781243662 Filter King 19.5x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 5 x .75" Filter King 19.5x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 5 x .75" https://hvacdirectusa.com/products/filter-king-19-5x6-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-6-5-x-75-fk19-5x6-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9b0b804e-28c0-4af1-9e55-6686db0cfb67.jpg?v=1781243661 Filter King 19.5x6.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 6.5 x .75" - FK19.5x6.5x1A-M8-4 Filter King 19.5x6.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 6.5 x .75" - FK19.5x6.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-19-5x60-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-60-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9e281234-823a-4134-847a-93cf4df3fe57.jpg?v=1781243660 Filter King 19.5x60.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 60.5 x .75" Filter King 19.5x60.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 60.5 x .75" https://hvacdirectusa.com/products/filter-king-19-5x60x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-60-x-75-fk19-5x60x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b3fb8a22-174a-44ea-a32b-f58612db3ef0.jpg?v=1781243660 Filter King 19.5x60x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 60 x .75" - FK19.5x60x1A-M8 -4 Filter King 19.5x60x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 60 x .75" - FK19.5x60x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x61x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-61-x-75-fk19-5x61x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ce1b52a2-cb4a-44eb-9217-3064a913915b.jpg?v=1781243658 Filter King 19.5x61x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 61 x .75" - FK19.5x61x1A-M8 -4 Filter King 19.5x61x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 61 x .75" - FK19.5x61x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x62-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-62-5-x-75-fk19-5x62-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_578da92d-42ce-4a97-98fd-c6310187b5e2.jpg?v=1781243658 Filter King 19.5x62.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 62.5 x .75" - FK19.5x62.5x1A-M8 - 4 Filter King 19.5x62.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 62.5 x .75" - FK19.5x62.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-19-5x62x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-62-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_497c0433-1698-4009-ae60-582055fe3a35.jpg?v=1781243657 Filter King 19.5x62x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 62 x .75" Filter King 19.5x62x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 62 x .75" https://hvacdirectusa.com/products/filter-king-19-5x63-5x1-air-filter-4-pack-merv-8-actual-size-19-5-x-63-5-x-75-fk19-5x63-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ca4ed915-d517-42d5-8cc0-a4e2d02ab663.jpg?v=1781243656 Filter King 19.5x63.5x1 Air Filter 4-PACK MERV 8 Actual Size 19.5 x 63.5 x .75" - FK19.5x63.5x1A-M8 -4 Filter King 19.5x63.5x1 Air Filter 4-PACK MERV 8 Actual Size 19.5 x 63.5 x .75" - FK19.5x63.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x63x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-63-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5da2ad3b-6c83-47ed-aef0-37c8f6e15b29.jpg?v=1781243655 Filter King 19.5x63x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 63 x .75" Filter King 19.5x63x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 63 x .75" https://hvacdirectusa.com/products/filter-king-19-5x64x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-64-x-75-fk19-5x64x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e2db82f9-fdbc-4985-89b7-6bd2c63005fb.jpg?v=1781243655 Filter King 19.5x64x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 64 x .75" - FK19.5x64x1A-M8 -4 Filter King 19.5x64x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 64 x .75" - FK19.5x64x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x66-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-66-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_135bbdb0-3739-4cfe-9d45-98205e66f1f0.jpg?v=1781243654 Filter King 19.5x66.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 66.5 x .75" Filter King 19.5x66.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 66.5 x .75" https://hvacdirectusa.com/products/filter-king-19-5x66x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-66-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_fabac007-80c5-478c-96ea-a996c9d0095f.jpg?v=1781243653 Filter King 19.5x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 66 x .75" Filter King 19.5x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 66 x .75" https://hvacdirectusa.com/products/filter-king-19-5x7-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-7-5-x-75-fk19-5x7-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_36d1698c-d72c-43ec-89d8-04244e46d3b8.jpg?v=1781243653 Filter King 19.5x7.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 7.5 x .75" - FK19.5x7.5x1A-M8 -4 Filter King 19.5x7.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 7.5 x .75" - FK19.5x7.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x7x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-7-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_dee5e974-d98c-449e-b60d-2904b0141f6a.jpg?v=1781243652 Filter King 19.5x7x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 7 x .75" Filter King 19.5x7x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 7 x .75" https://hvacdirectusa.com/products/filter-king-19-5x8-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-8-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c011194c-2886-414e-92c3-592514bf4cbf.jpg?v=1781243652 Filter King 19.5x8.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 8.5 x .75" Filter King 19.5x8.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 8.5 x .75" https://hvacdirectusa.com/products/filter-king-19-5x8x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-8-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f43d28ea-82c0-4ae4-b3ae-0c36baac000b.jpg?v=1781243651 Filter King 19.5x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 8 x .75" Filter King 19.5x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 8 x .75" https://hvacdirectusa.com/products/filter-king-19-5x9-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-9-5-x-75-fk19-5x9-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e8d29032-ea38-45c7-a256-4fca77c6ecda.jpg?v=1781243651 Filter King 19.5x9.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 9.5 x .75" - FK19.5x9.5x1A-M8 -4 Filter King 19.5x9.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 9.5 x .75" - FK19.5x9.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-5x9x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-9-x-75-fk19-5x9x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_108f25bd-21ae-4d01-875f-4584789955e1.jpg?v=1781243650 Filter King 19.5x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 9 x .75" - FK19.5x9x1A-M8 -4 Filter King 19.5x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 9 x .75" - FK19.5x9x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19-75x23-75x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-75-x-23-75-x-75-fk19-75x23-75x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b927996d-489b-4578-8800-d7892e130829.jpg?v=1781243649 Filter King 19.75x23.75x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.75 x 23.75 x .75" - FK19.75x23.75x1A-M8 - 4 Filter King 19.75x23.75x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.75 x 23.75 x .75" - FK19.75x23.75x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-19x10x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-10-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_10e426fa-9a5d-49e0-b4d8-8dbdd94bdbaf.jpg?v=1781243649 Filter King 19x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 10 x .75" Filter King 19x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 10 x .75" https://hvacdirectusa.com/products/filter-king-19x11-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-11-5-x-75-fk19x11-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3a3cdf4b-bf76-43ff-acaf-12bf15e453d1.jpg?v=1781243648 Filter King 19x11.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 11.5 x .75" - FK19x11.5x1A-M8 - 4 Filter King 19x11.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 11.5 x .75" - FK19x11.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-19x11x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-11-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e9ac0c1e-6bde-4f63-8433-fdb976905da4.jpg?v=1781243648 Filter King 19x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 11 x .75" Filter King 19x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 11 x .75" https://hvacdirectusa.com/products/filter-king-19x12-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-12-5-x-75-fk19x12-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_62bb8d6a-a26f-4302-9d76-9ecf488ca1d8.jpg?v=1781243647 Filter King 19x12.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 12.5 x .75" - FK19x12.5x1A-M8 -4 Filter King 19x12.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 12.5 x .75" - FK19x12.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x12x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-12-x-75-fk19x12x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0445fec8-5a89-4ebd-8459-01ea709572f4.jpg?v=1781243647 Filter King 19x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 12 x .75" - FK19x12x1A-M8-4 Filter King 19x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 12 x .75" - FK19x12x1A-M8-4 https://hvacdirectusa.com/products/filter-king-19x13-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-13-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_424dbd46-e3bc-46e0-a497-f902499d7a6f.jpg?v=1781243646 Filter King 19x13.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 13.5 x .75" Filter King 19x13.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 13.5 x .75" https://hvacdirectusa.com/products/filter-king-19x13x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-13-x-75-fk19x13x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f7e7291e-de2b-4f9a-ab93-ae393ad98c4f.jpg?v=1781243645 Filter King 19x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 13 x .75" - FK19x13x1A-M8-4 Filter King 19x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 13 x .75" - FK19x13x1A-M8-4 https://hvacdirectusa.com/products/filter-king-19x14-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-14-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1f4961ba-7dff-4e76-bf63-ec45c821ec79.jpg?v=1781243645 Filter King 19x14.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 14.5 x .75" Filter King 19x14.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 14.5 x .75" https://hvacdirectusa.com/products/filter-king-19x14x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-14-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_079de550-f3d6-4606-b8ef-8e3e71152934.jpg?v=1781243644 Filter King 19x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 14 x .75" Filter King 19x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 14 x .75" https://hvacdirectusa.com/products/filter-king-19x15-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-15-5-x-75-fk19x15-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d72469d4-9006-4bb1-8051-71c536a386e6.jpg?v=1781243643 Filter King 19x15.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 15.5 x .75" - FK19x15.5x1A-M8 -4 Filter King 19x15.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 15.5 x .75" - FK19x15.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x15x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-15-x-75-fk19x15x1a-m8-5 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e60a8c6d-be80-4ebc-8bad-34713b7147e1.jpg?v=1781243643 Filter King 19x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 15 x .75" - FK19x15x1A-M8 -4 Filter King 19x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 15 x .75" - FK19x15x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x64-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-64-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3a40d7e9-cbf1-4c5f-8193-338562802487.jpg?v=1781243642 Filter King 19x64.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 64.5 x .75" Filter King 19x64.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 64.5 x .75" https://hvacdirectusa.com/products/filter-king-19x16-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-16-5-x-75-fk19x16-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9a0e1afd-e214-4388-81c5-3c08e636b5e0.jpg?v=1781243642 Filter King 19x16.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 16.5 x .75" - FK19x16.5x1A-M8-4 Filter King 19x16.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 16.5 x .75" - FK19x16.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-19x17-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-17-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_56fec98c-ca16-49f3-a64b-96a28f60b0c7.jpg?v=1781243641 Filter King 19x17.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 17.5 x .75" Filter King 19x17.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 17.5 x .75" https://hvacdirectusa.com/products/filter-king-19x17x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-17-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_62e3849a-c4ef-46e1-adb1-ec5e579a3726.jpg?v=1781243640 Filter King 19x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 17 x .75" Filter King 19x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 17 x .75" https://hvacdirectusa.com/products/filter-king-19x18-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-18-5-x-75-fk19x18-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_33a20851-caee-409b-8508-e15952a60c18.jpg?v=1781243640 Filter King 19x18.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 18.5 x .75" - FK19x18.5x1A-M8 -4 Filter King 19x18.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 18.5 x .75" - FK19x18.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x18x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-18-x-75-fk19x18x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_01697f5a-66cc-4a1a-ac3b-1d43f413bc77.jpg?v=1781243639 Filter King 19x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 18 x .75" - FK19x18x1A-M8-4 Filter King 19x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 18 x .75" - FK19x18x1A-M8-4 https://hvacdirectusa.com/products/filter-king-19x19-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-19-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f13db902-ba6d-4b73-a71e-b032a95ce8de.jpg?v=1781243638 Filter King 19x19.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 19.5 x .75" Filter King 19x19.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 19.5 x .75" https://hvacdirectusa.com/products/filter-king-19x20-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-20-5-x-75-fk19x20-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d8015ca9-aae6-4c8e-9f1e-baf7d5127ffb.jpg?v=1781243638 Filter King 19x20.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 20.5 x .75" - FK19x20.5x1A-M8 -4 Filter King 19x20.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 20.5 x .75" - FK19x20.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x20x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-20-x-75-fk19x20x1a-m8-5 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_277daab0-4ae5-440a-b024-353deaf94241.jpg?v=1781243637 Filter King 19x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 20 x .75" - FK19x20x1A-M8 -4 Filter King 19x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 20 x .75" - FK19x20x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x22-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-22-5-x-75-fk19x22-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_219aabf4-f8b6-4f16-a3ac-5b9e37711561.jpg?v=1781243637 Filter King 19x22.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 22.5 x .75" - FK19x22.5x1A-M8 -4 Filter King 19x22.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 22.5 x .75" - FK19x22.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x23-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-23-5-x-75-fk19x23-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f2a956f8-2d29-47b7-833a-9aad174e3c54.jpg?v=1781243636 Filter King 19x23.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 23.5 x .75" - FK19x23.5x1A-M8 -4 Filter King 19x23.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 23.5 x .75" - FK19x23.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x23x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-23-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0104c71f-c0b4-4d8b-a464-dab65e5fb610.jpg?v=1781243636 Filter King 19x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 23 x .75 Filter King 19x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 23 x .75 https://hvacdirectusa.com/products/filter-king-19x24-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-24-5-x-75-fk19x24-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_57a664d0-69a2-47e8-ab4a-6ef5c3f961bd.jpg?v=1781243635 Filter King 19x24.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 24.5 x .75" - FK19x24.5x1A-M8 -4 Filter King 19x24.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 24.5 x .75" - FK19x24.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x24x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-24-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7dcb7cf3-07c6-4756-a759-e10cb473c992.jpg?v=1781243634 Filter King 19x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 24 x .75" Filter King 19x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 24 x .75" https://hvacdirectusa.com/products/filter-king-19x25-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-25-5-x-75-fk19x25-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_91c392b7-b215-4b25-8d8e-35b5ecd6f308.jpg?v=1781243634 Filter King 19x25.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 25.5 x .75" - FK19x25.5x1A-M8 -4 Filter King 19x25.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 25.5 x .75" - FK19x25.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x26-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-26-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d28d68f1-08fa-4f37-a1dc-9ffcb4209c8c.jpg?v=1781243633 Filter King 19x26.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 26.5 x .75" Filter King 19x26.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 26.5 x .75" https://hvacdirectusa.com/products/filter-king-19x27-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-27-5-x-75-fk19x27-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_41426b73-7ea2-407f-98af-737a10f67801.jpg?v=1781243633 Filter King 19x27.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 27.5 x .75" - FK19x27.5x1A-M8 -4 Filter King 19x27.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 27.5 x .75" - FK19x27.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x28-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-28-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_45c0d977-9f64-404d-ad9f-18313b23a08b.jpg?v=1781243632 Filter King 19x28.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 28.5 x .75" Filter King 19x28.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 28.5 x .75" https://hvacdirectusa.com/products/filter-king-19x28x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-28-x-75-fk19x28x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a803845f-c22c-4e4d-a238-5e09e949e320.jpg?v=1781243631 Filter King 19x28x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 28 x .75" - FK19x28x1A-M8 -4 Filter King 19x28x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 28 x .75" - FK19x28x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x29-5x1-air-filter-4-pack-merv-8-actual-size-19-x-29-5-x-75-fk19x29-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_973d9155-d1c2-4ba0-abe9-ee032515b1f0.jpg?v=1781243631 Filter King 19x29.5x1 Air Filter 4-PACK MERV 8 Actual Size 19 x 29.5 x .75" - FK19x29.5x1A-M8 -4 Filter King 19x29.5x1 Air Filter 4-PACK MERV 8 Actual Size 19 x 29.5 x .75" - FK19x29.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x29x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-29-x-75-fk19x29x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b15a81c8-dc6c-486e-a780-6206c17a4361.jpg?v=1781243631 Filter King 19x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 29 x .75" - FK19x29x1A-M8 -4 Filter King 19x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 29 x .75" - FK19x29x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x30-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-30-5-x-75-fk19x30-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_57c16ded-1051-450a-8fa6-27d4d4e6442c.jpg?v=1781243630 Filter King 19x30.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 30.5 x .75" - FK19x30.5x1A-M8 -4 Filter King 19x30.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 30.5 x .75" - FK19x30.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x30x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-18-5-x-29-5-x-77 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_cfd5e162-ced3-4530-9144-9c363f6b43f1.jpg?v=1781243629 Filter King 19x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 29.5 x .75" Filter King 19x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 29.5 x .75" https://hvacdirectusa.com/products/filter-king-19x30x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-30-x-75-fk19x30x1-m8-5 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_eec31484-2e7d-4180-b95e-3aa50b0816f7.jpg?v=1781243629 Filter King 19x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 30 x .75" - FK19x30x1-M8 -4 Filter King 19x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 30 x .75" - FK19x30x1-M8 -4 https://hvacdirectusa.com/products/filter-king-19x30x1-air-filter-merv-8-3-pack-dust-allergy-control-ac-furnace-filters-made-in-usa-hvac-pleated-electrostatic-actual-size-18-5-x-29-5-x-75-fk19x30x1-m8-3 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2284dba8-3123-4432-bfe6-055b0caa848b.jpg?v=1781243628 Filter King 19x30x1 Air Filter (MERV 8) (3-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 18.5 x 29.5 x .75) - FK19x30x1-M8-3 Filter King 19x30x1 Air Filter (MERV 8) (3-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 18.5 x 29.5 x .75) - FK19x30x1-M8-3 https://hvacdirectusa.com/products/filter-king-19x31-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-31-5-x-75-fk19x31-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ac4d341d-a072-4ff8-94ad-010361b75326.jpg?v=1781243627 Filter King 19x31.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 31.5 x .75" - FK19x31.5x1A-M8 -4 Filter King 19x31.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 31.5 x .75" - FK19x31.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x31x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-31-x-75-fk19x31x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8f556e2e-6374-494f-af9b-3c6adb9bafd3.jpg?v=1781243627 Filter King 19x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 31 x .75" - FK19x31x1A-M8 -4 Filter King 19x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 31 x .75" - FK19x31x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x32-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-32-5-x-75-fk19x32-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4cfb7f0d-134a-4df3-a1bc-a76ceeab7cb6.jpg?v=1781243626 Filter King 19x32.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 32.5 x .75" - FK19x32.5x1A-M8 -4 Filter King 19x32.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 32.5 x .75" - FK19x32.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x32x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-32-x-75-fk19x32x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8c1cc000-d2f3-46c3-84b9-07907c8e7e5c.jpg?v=1781243626 Filter King 19x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 32 x .75" - FK19x32x1A-M8 -4 Filter King 19x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 32 x .75" - FK19x32x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x33-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-33-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ced7b0f0-ef77-401a-89da-29a96e628c67.jpg?v=1781243625 Filter King 19x33.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 33.5 x .75" Filter King 19x33.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 33.5 x .75" https://hvacdirectusa.com/products/filter-king-19x34-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-34-5-x-75-fk19x34-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_50a267f7-2543-48e4-9db0-83492a30f51a.jpg?v=1781243625 Filter King 19x34.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 34.5 x .75" - FK19x34.5x1A-M8 -4 Filter King 19x34.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 34.5 x .75" - FK19x34.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x35-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-35-5-x-75-fk19x35-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_aacbac1d-94a7-49c1-8079-34542d9adbbb.jpg?v=1781243624 Filter King 19x35.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 35.5 x .75" - FK19x35.5x1A-M8--4 Filter King 19x35.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 35.5 x .75" - FK19x35.5x1A-M8--4 https://hvacdirectusa.com/products/filter-king-19x35x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-35-x-76 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_cf1c8644-4b7b-478f-af0a-4715b33740fd.jpg?v=1781243623 Filter King 19x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 35 x .75" Filter King 19x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 35 x .75" https://hvacdirectusa.com/products/filter-king-19x36-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-36-5-x-75-fk19x36-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d3c12bbb-7b70-47d9-b5d3-4ef1521a5d15.jpg?v=1781243623 Filter King 19x36.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 36.5 x .75" - FK19x36.5x1A-M8 -4 Filter King 19x36.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 36.5 x .75" - FK19x36.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x36x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-36-x-75-fk19x36x1a-m8-5 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0e08b4a3-e581-46c5-b056-9b57aa53bb66.jpg?v=1781243622 Filter King 19x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 36 x .75" - FK19x36x1A-M8 -4 Filter King 19x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 36 x .75" - FK19x36x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x38-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-38-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d03223c1-c223-471c-84f2-2b247440cdbd.jpg?v=1781243622 Filter King 19x38.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 38.5 x .75" Filter King 19x38.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 38.5 x .75" https://hvacdirectusa.com/products/filter-king-19x38x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-38-x-75-fk19x38x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0d7c2f6c-9f04-4d72-8db6-10805e8c636f.jpg?v=1781243621 Filter King 19x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 38 x .75" - FK19x38x1A-M8 -4 Filter King 19x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 38 x .75" - FK19x38x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x39-5x1-air-filter-4-pack-merv-8-actual-size-19-x-39-5-x-75-fk19x39-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6e1866d2-41ca-4665-a1a9-13a407075bb2.jpg?v=1781243620 Filter King 19x39.5x1 Air Filter 4-PACK MERV 8 Actual Size 19 x 39.5 x .75" - FK19x39.5x1A-M8 -4 Filter King 19x39.5x1 Air Filter 4-PACK MERV 8 Actual Size 19 x 39.5 x .75" - FK19x39.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x39x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-39-x-75-fk19x39x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4ee78fc6-f943-4b8d-ad5c-4d6bdf67a115.jpg?v=1781243620 Filter King 19x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 39 x .75" - FK19x39x1A-M8-4 Filter King 19x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 39 x .75" - FK19x39x1A-M8-4 https://hvacdirectusa.com/products/filter-king-19x4-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-4-5-x-75-fk19x4-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_cd99b856-fefb-4f6f-b27e-1e5346d26be6.jpg?v=1781243620 Filter King 19x4.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 4.5 x .75" - FK19x4.5x1A-M8 -4 Filter King 19x4.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 4.5 x .75" - FK19x4.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x40-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-40-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5acc8011-73b4-4701-b135-05bcc53437a9.jpg?v=1781243619 Filter King 19x40.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 40.5 x .75" Filter King 19x40.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 40.5 x .75" https://hvacdirectusa.com/products/filter-king-19x40x1-air-filter-4-pack-merv-8-actual-size-19-x-40-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_54196ca1-70e8-4f0c-a1e9-496759795967.jpg?v=1781243618 Filter King 19x40x1 Air Filter 4-PACK MERV 8 Actual Size 19 x 40 x .75" Filter King 19x40x1 Air Filter 4-PACK MERV 8 Actual Size 19 x 40 x .75" https://hvacdirectusa.com/products/filter-king-19x41-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-41-5-x-75-fk19x41-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_78e0af90-9810-4f8f-a160-9d6b98d3862f.jpg?v=1781243618 Filter King 19x41.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 41.5 x .75" - FK19x41.5x1A-M8 -4 Filter King 19x41.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 41.5 x .75" - FK19x41.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x41x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-41-x-75-fk19x41x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b2baeea2-11be-4ca1-9ea0-1cb6ae47dcc3.jpg?v=1781243617 Filter King 19x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 41 x .75" - FK19x41x1A-M8 -4 Filter King 19x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 41 x .75" - FK19x41x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x42-5x1-air-filter-4-pack-merv-8-actual-size-19-x-42-5-x-75-fk19x42-5x1a-m8 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_374cd7ab-4b0e-498d-a1b7-22b07958b74d.jpg?v=1781243616 Filter King 19x42.5x1 Air Filter 4-PACK MERV 8 Actual Size 19 x 42.5 x .75" - FK19x42.5x1A-M8 Filter King 19x42.5x1 Air Filter 4-PACK MERV 8 Actual Size 19 x 42.5 x .75" - FK19x42.5x1A-M8 https://hvacdirectusa.com/products/filter-king-19x42x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-42-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_edbfb314-ec1c-4845-a887-e0d4a9ca5cf0.jpg?v=1781243616 Filter King 19x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 42 x .75" Filter King 19x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 42 x .75" https://hvacdirectusa.com/products/filter-king-19x43-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-43-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d1c5f59b-eef1-4c24-b1d9-db7542ff3b60.jpg?v=1781243616 Filter King 19x43.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 43.5 x .75" Filter King 19x43.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 43.5 x .75" https://hvacdirectusa.com/products/filter-king-19x43x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-43-x-75-fk19x43x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_915bc4c3-b473-46a7-bdf2-66a6d089f169.jpg?v=1781243615 Filter King 19x43x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 43 x .75" - FK19x43x1A-M8 -4 Filter King 19x43x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 43 x .75" - FK19x43x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x44-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-44-5-x-75-fk19x44-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9600b7ff-5ad9-4710-a054-5eef17ad54b2.jpg?v=1781243615 Filter King 19x44.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 44.5 x .75" - FK19x44.5x1A-M8 -4 Filter King 19x44.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 44.5 x .75" - FK19x44.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x44x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-44-x-75-fk19x44x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f2cb5b48-bf03-462b-8d58-c3a88ad9a16c.jpg?v=1781243614 Filter King 19x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 44 x .75" - FK19x44x1A-M8 -4 Filter King 19x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 44 x .75" - FK19x44x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x45x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-45-x-75-fk19x45x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e3b06d9c-4482-497c-bc6e-4208824b874a.jpg?v=1781243613 Filter King 19x45x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 45 x .75" - FK19x45x1A-M8 -4 Filter King 19x45x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 45 x .75" - FK19x45x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x47-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-47-5-x-75-fk19x47-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c2602533-c8b6-45ec-a2e5-fcce5c57d0c2.jpg?v=1781243613 Filter King 19x47.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 47.5 x .75" - FK19x47.5x1A-M8 -4 Filter King 19x47.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 47.5 x .75" - FK19x47.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x47x1-air-filter-4-pack-merv-8-actual-size-19-x-47-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ca9b5141-1579-4f66-b7f4-091f6cb5f3eb.jpg?v=1781243612 Filter King 19x47x1 Air Filter 4-PACK MERV 8 Actual Size 19 x 47 x .75" Filter King 19x47x1 Air Filter 4-PACK MERV 8 Actual Size 19 x 47 x .75" https://hvacdirectusa.com/products/filter-king-19x48-5x1-air-filter-4-pack-merv-8-actual-size-19-x-48-5-x-75-fk19x48-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_740c11fa-8d92-471f-b2ed-98471078a84b.jpg?v=1781243611 Filter King 19x48.5x1 Air Filter 4-PACK MERV 8 Actual Size 19 x 48.5 x .75" - FK19x48.5x1A-M8 -4 Filter King 19x48.5x1 Air Filter 4-PACK MERV 8 Actual Size 19 x 48.5 x .75" - FK19x48.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x49-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-49-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_88d20146-d626-48c5-bf8b-080f3cedaf7e.jpg?v=1781243611 Filter King 19x49.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 49.5 x .75" Filter King 19x49.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 49.5 x .75" https://hvacdirectusa.com/products/filter-king-19x49x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-49-x-75-fk19x49x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_54b74fe0-272d-40e7-b21e-cb43a9682242.jpg?v=1781243610 Filter King 19x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 49 x .75" - FK19x49x1A-M8 -4 Filter King 19x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 49 x .75" - FK19x49x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x4x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-4-x-75-fk19x4x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7664dc7b-ad49-47f8-929f-ace2a4c706aa.jpg?v=1781243610 Filter King 19x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 4 x .75" - FK19x4x1A-M8 -4 Filter King 19x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 4 x .75" - FK19x4x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x5-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-5-5-x-75-fk19x5-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_97078dd0-006d-47db-8b7d-c7c3ae743ede.jpg?v=1781243609 Filter King 19x5.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 5.5 x .75" - FK19x5.5x1A-M8 -4 Filter King 19x5.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 5.5 x .75" - FK19x5.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x50-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-50-5-x-75-fk19x50-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_cc0dde75-99a4-47fb-8f62-4e7f531a13a1.jpg?v=1781243609 Filter King 19x50.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 50.5 x .75" - FK19x50.5x1A-M8 -4 Filter King 19x50.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 50.5 x .75" - FK19x50.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x50x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-50-x-75-fk19x50x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_15eda035-e2ff-4e46-b354-68e37c05e6be.jpg?v=1781243608 Filter King 19x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 50 x .75" - FK19x50x1A-M8 -4 Filter King 19x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 50 x .75" - FK19x50x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x51-5x1-air-filter-4-pack-merv-8-actual-size-19-x-51-5-x-75-fk19x51-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_59cd5268-ea39-4f2b-a79f-a43d65cad53d.jpg?v=1781243608 Filter King 19x51.5x1 Air Filter 4-PACK MERV 8 Actual Size 19 x 51.5 x .75" - FK19x51.5x1A-M8 -4 Filter King 19x51.5x1 Air Filter 4-PACK MERV 8 Actual Size 19 x 51.5 x .75" - FK19x51.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x52-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-52-5-x-75-fk19x52-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d942f83d-74e6-43d0-b384-59b4c2010b9d.jpg?v=1781243607 Filter King 19x52.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 52.5 x .75" - FK19x52.5x1A-M8 - 4 Filter King 19x52.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 52.5 x .75" - FK19x52.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-19x52x1-air-filter-4-pack-merv-8-actual-size-19-x-52-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ebbfdd9e-4738-4ff3-a8ed-f8f0a8cf5768.jpg?v=1781243606 Filter King 19x52x1 Air Filter 4-PACK MERV 8 Actual Size 19 x 52 x .75" Filter King 19x52x1 Air Filter 4-PACK MERV 8 Actual Size 19 x 52 x .75" https://hvacdirectusa.com/products/filter-king-19x53-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-53-5-x-75-fk19x53-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_14038539-3323-4562-9488-08a45b0075f2.jpg?v=1781243604 Filter King 19x53.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 53.5 x .75" - FK19x53.5x1A-M8 -4 Filter King 19x53.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 53.5 x .75" - FK19x53.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x53x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-53-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_60f49804-045d-4ac6-836c-3d58be415ddc.jpg?v=1781243603 Filter King 19x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 53 x .75" Filter King 19x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 53 x .75" https://hvacdirectusa.com/products/filter-king-19x54-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-54-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_874ec902-d522-4d3e-a74f-f8dee8d35557.jpg?v=1781243602 Filter King 19x54.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 54.5 x .75" Filter King 19x54.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 54.5 x .75" https://hvacdirectusa.com/products/filter-king-19x54x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-54-x-75-fk19x54x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_fc7588ba-cd81-476a-847d-38b349b4dcad.jpg?v=1781243601 Filter King 19x54x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 54 x .75" - FK19x54x1A-M8 -4 Filter King 19x54x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 54 x .75" - FK19x54x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x55-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-55-5-x-75-fk19x55-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b5aaea0e-a55a-4091-883c-8f3a55c736f0.jpg?v=1781243600 Filter King 19x55.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 55.5 x .75" - FK19x55.5x1A-M8 -4 Filter King 19x55.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 55.5 x .75" - FK19x55.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x55x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-55-x-75-fk19x55x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a85e3885-60eb-4c41-820d-e4dcaeba26c3.jpg?v=1781243600 Filter King 19x55x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 55 x .75" - FK19x55x1A-M8 -4 Filter King 19x55x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 55 x .75" - FK19x55x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x56-5x1-air-filter-4-pack-merv-8-actual-size-19-x-56-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d262bc6f-3845-4728-b48c-2525d987b443.jpg?v=1781243599 Filter King 19x56.5x1 Air Filter 4-PACK MERV 8 Actual Size 19 x 56.5 x .75" Filter King 19x56.5x1 Air Filter 4-PACK MERV 8 Actual Size 19 x 56.5 x .75" https://hvacdirectusa.com/products/filter-king-19x56x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-56-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a3873dd9-bd97-4aae-b8e5-181abc632c32.jpg?v=1781243598 Filter King 19x56x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 56 x .75" Filter King 19x56x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 56 x .75" https://hvacdirectusa.com/products/filter-king-19x57-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-57-5-x-75-fk19x57-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ba8cd74d-e06d-41fe-9c95-f63d030fa395.jpg?v=1781243597 Filter King 19x57.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 57.5 x .75" - FK19x57.5x1A-M8-4 Filter King 19x57.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 57.5 x .75" - FK19x57.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-19x57x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-57-x-75-fk19x57x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_623349c4-6819-4ed4-a0d1-0c3128e0514f.jpg?v=1781243596 Filter King 19x57x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 57 x .75" - FK19x57x1A-M8 -4 Filter King 19x57x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 57 x .75" - FK19x57x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x58-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-58-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ac01ecfd-811a-4eb3-9316-1f1a612a1583.jpg?v=1781243595 Filter King 19x58.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 58.5 x .75" Filter King 19x58.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 58.5 x .75" https://hvacdirectusa.com/products/filter-king-19x58x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-58-x-75-fk19x58x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e989af48-49ab-40ef-aed0-6e33b237cf6e.jpg?v=1781243595 Filter King 19x58x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 58 x .75" - FK19x58x1A-M8 - 4 Filter King 19x58x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 58 x .75" - FK19x58x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-19x59-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-59-5-x-75-fk19x59-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a6a63e2a-e04b-47bf-8633-0d2ae31c8260.jpg?v=1781243594 Filter King 19x59.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 59.5 x .75" - FK19x59.5x1A-M8 - 4 Filter King 19x59.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 59.5 x .75" - FK19x59.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-19x59x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-59-x-75-fk19x59x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f48dd5c2-20da-4bea-9006-11e56e7f5477.jpg?v=1781243593 Filter King 19x59x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 59 x .75" - FK19x59x1A-M8 -4 Filter King 19x59x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 59 x .75" - FK19x59x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x6-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-6-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_db6db6e1-e1a4-4711-b8b0-ad3e29b6ab46.jpg?v=1781243592 Filter King 19x6.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 6.5 x .75" Filter King 19x6.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 6.5 x .75" https://hvacdirectusa.com/products/filter-king-19x60-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-60-5-x-75-fk19x60-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_90fb48b5-dda4-4192-b511-d0c1b9074194.jpg?v=1781243592 Filter King 19x60.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 60.5 x .75" - FK19x60.5x1A-M8 -4 Filter King 19x60.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 60.5 x .75" - FK19x60.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x60x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-60-x-75-fk19x60x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e761cc5a-5d5d-4394-bc95-a652e5464176.jpg?v=1781243591 Filter King 19x60x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 60 x .75" - FK19x60x1A-M8 -4 Filter King 19x60x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 60 x .75" - FK19x60x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x61-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-61-5-x-75-fk19x61-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2e117446-ee2c-4fb7-a463-1415dcdc1def.jpg?v=1781243590 Filter King 19x61.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 61.5 x .75" - FK19x61.5x1A-M8 -4 Filter King 19x61.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 61.5 x .75" - FK19x61.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x61x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-61-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_288842f3-1c07-442e-a0a0-e93c36e8e117.jpg?v=1781243589 Filter King 19x61x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 61 x .75" Filter King 19x61x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 61 x .75" https://hvacdirectusa.com/products/filter-king-19x62-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-62-5-x-75-fk19x62-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_70ac721f-4c1e-4fbf-915b-b3618da12d16.jpg?v=1781243588 Filter King 19x62.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 62.5 x .75" - FK19x62.5x1A-M8 -4 Filter King 19x62.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 62.5 x .75" - FK19x62.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x62x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-62-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_cdb0bc45-674c-4803-90dc-c6391e0fc265.jpg?v=1781243587 Filter King 19x62x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 62 x .75" Filter King 19x62x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 62 x .75" https://hvacdirectusa.com/products/filter-king-19x63-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-63-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_edfa1492-aa16-4447-bcd3-f114be314aac.jpg?v=1781243587 Filter King 19x63.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 63.5 x .75" Filter King 19x63.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 63.5 x .75" https://hvacdirectusa.com/products/filter-king-19x63x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-63-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_62576f9e-8cc1-4c57-ac04-636c2d13ed63.jpg?v=1781243586 Filter King 19x63x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 63 x .75" Filter King 19x63x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 63 x .75" https://hvacdirectusa.com/products/filter-king-19x64x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-64-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b503e9ed-5712-4c83-a44f-5ff3beec8287.jpg?v=1781243585 Filter King 19x64x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 64 x .75" Filter King 19x64x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 64 x .75" https://hvacdirectusa.com/products/filter-king-19x65-5x1-air-filter-4-pack-merv-8-actual-size-19-x-65-5-x-75-fk19x65-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a64444b0-849f-4acf-8a35-246dcd8f2c08.jpg?v=1781243584 Filter King 19x65.5x1 Air Filter 4-PACK MERV 8 Actual Size 19 x 65.5 x .75" - FK19x65.5x1A-M8 -4 Filter King 19x65.5x1 Air Filter 4-PACK MERV 8 Actual Size 19 x 65.5 x .75" - FK19x65.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x65x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-65-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3a28dba4-5391-44da-a4cc-4653333060ba.jpg?v=1781243584 Filter King 19x65x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 65 x .75" Filter King 19x65x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 65 x .75" https://hvacdirectusa.com/products/filter-king-19x66x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-66-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_86b17470-721f-480f-9f62-d3d091efa66b.jpg?v=1781243583 Filter King 19x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 66 x .75" Filter King 19x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 66 x .75" https://hvacdirectusa.com/products/filter-king-19x6x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-6-x-75-fk19x6x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_bb9ab5bd-f2cc-4212-ad03-c3c1f9228b95.jpg?v=1781243582 Filter King 19x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 6 x .75" - FK19x6x1A-M8 -4 Filter King 19x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 6 x .75" - FK19x6x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x7-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-7-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8fc3c3fc-0517-4c90-b1ea-791040bd8420.jpg?v=1781243581 Filter King 19x7.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 7.5 x .75" Filter King 19x7.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 7.5 x .75" https://hvacdirectusa.com/products/filter-king-19x7x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-7-x-75-fk19x7x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_fafac3a1-ef5b-4857-a94a-5b9e8eeac783.jpg?v=1781243580 Filter King 19x7x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 7 x .75" - FK19x7x1A-M8 -4 Filter King 19x7x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 7 x .75" - FK19x7x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x8-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-8-5-x-75-fk19x8-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3b66c61d-b605-45bb-9b63-199bea4faea2.jpg?v=1781243580 Filter King 19x8.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 8.5 x .75" - FK19x8.5x1A-M8 -4 Filter King 19x8.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 8.5 x .75" - FK19x8.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x8x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-8-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_137c0888-e61f-4747-9698-0bd658e7037a.jpg?v=1781243579 Filter King 19x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 8 x .75" Filter King 19x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 8 x .75" https://hvacdirectusa.com/products/filter-king-19x9-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-9-5-x-75-fk19x9-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_44557661-6f30-4cf7-b878-37709a5c1598.jpg?v=1781243578 Filter King 19x9.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 9.5 x .75" - FK19x9.5x1A-M8 -4 Filter King 19x9.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 9.5 x .75" - FK19x9.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-19x9x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-x-9-x-75-fk19x9x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1178ad8b-6d87-4888-ada9-a305bbba80b1.jpg?v=1781243577 Filter King 19x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 9 x .75" - FK19x9x1A-M8-4 Filter King 19x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 9 x .75" - FK19x9x1A-M8-4 https://hvacdirectusa.com/products/filter-king-20-5x10-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-10-5-x-75-fk20-5x10-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_530e40e4-169d-4802-983a-4ae58858a164.jpg?v=1781243576 Filter King 20.5x10.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 10.5 x .75" - FK20.5x10.5x1A-M8 - 4 Filter King 20.5x10.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 10.5 x .75" - FK20.5x10.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-20-5x12-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-12-5-x-75-fk20-5x12-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6baabe39-2c4e-4171-bda1-c047abe8733e.jpg?v=1781243575 Filter King 20.5x12.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 12.5 x .75" - FK20.5x12.5x1A-M8 -4 Filter King 20.5x12.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 12.5 x .75" - FK20.5x12.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x12x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-12-x-75-fk20-5x12x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_82764e18-df10-4a7a-a2bd-f805cd471c20.jpg?v=1781243575 Filter King 20.5x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 12 x .75" - FK20.5x12x1A-M8 -4 Filter King 20.5x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 12 x .75" - FK20.5x12x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x13-5x1-air-filter-4-pack-merv-8-actual-size-20-5-x-13-5-x-75-fk20-5x13-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c4ab2359-8425-441b-8ab4-068dec3a796e.jpg?v=1781243574 Filter King 20.5x13.5x1 Air Filter 4-PACK MERV 8 Actual Size 20.5 x 13.5 x .75" - FK20.5x13.5x1A-M8 -4 Filter King 20.5x13.5x1 Air Filter 4-PACK MERV 8 Actual Size 20.5 x 13.5 x .75" - FK20.5x13.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x13x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-13-x-75-fk20-5x13x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_39434113-1f6c-4e6a-9907-e83b1f9344fb.jpg?v=1781243573 Filter King 20.5x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 13 x .75" - FK20.5x13x1A-M8 -4 Filter King 20.5x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 13 x .75" - FK20.5x13x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x14-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-14-5-x-75-fk20-5x14-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d59fc1fc-62dd-4927-841e-5fcdf278ddb8.jpg?v=1781243572 Filter King 20.5x14.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 14.5 x .75" - FK20.5x14.5x1A-M8 -4 Filter King 20.5x14.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 14.5 x .75" - FK20.5x14.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x14x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-14-x-75-fk20-5x14x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5ec7ce8f-a6d0-4892-93d4-c221a216955e.jpg?v=1781243572 Filter King 20.5x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 14 x .75" - FK20.5x14x1A-M8 -4 Filter King 20.5x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 14 x .75" - FK20.5x14x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x15-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-15-5-x-75-fk20-5x15-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_de689955-2925-4e63-9ffc-d74165d34f95.jpg?v=1781243571 Filter King 20.5x15.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 15.5 x .75" - FK20.5x15.5x1A-M8 -4 Filter King 20.5x15.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 15.5 x .75" - FK20.5x15.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x15x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-15-x-75-fk20-5x15x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_46f1b7a2-765d-46ae-bf68-f7433566e30c.jpg?v=1781243570 Filter King 20.5x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 15 x .75" - FK20.5x15x1A-M8 -4 Filter King 20.5x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 15 x .75" - FK20.5x15x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x16-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-16-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6543d167-b03a-439f-a124-31060185c5af.jpg?v=1781243569 Filter King 20.5x16.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 16.5 x .75" Filter King 20.5x16.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 16.5 x .75" https://hvacdirectusa.com/products/filter-king-20-5x16x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-16-x-75-fk20-5x16x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0579a74a-5e47-4e85-8d08-e7280b7d03a1.jpg?v=1781243568 Filter King 20.5x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 16 x .75" - FK20.5x16x1A-M8 -4 Filter King 20.5x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 16 x .75" - FK20.5x16x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x17-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-17-5-x-75-fk20-5x17-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_624db61d-79e9-4f3b-8513-b06827208105.jpg?v=1781243568 Filter King 20.5x17.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 17.5 x .75" - FK20.5x17.5x1A-M8 - 4 Filter King 20.5x17.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 17.5 x .75" - FK20.5x17.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-20-5x17x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-17-x-75-fk20-5x17x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d369b542-8337-405a-a511-1bcbdfb7e480.jpg?v=1781243566 Filter King 20.5x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 17 x .75" - FK20.5x17x1A-M8 -4 Filter King 20.5x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 17 x .75" - FK20.5x17x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x18-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-18-5-x-75-fk20-5x18-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8a26714c-082d-47a3-ab11-a3fe754a44c9.jpg?v=1781243566 Filter King 20.5x18.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 18.5 x .75" - FK20.5x18.5x1A-M8 -4 Filter King 20.5x18.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 18.5 x .75" - FK20.5x18.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x18x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-18-x-75-fk20-5x18x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a1121ff5-da07-4605-947c-4d6f24f53c92.jpg?v=1781243565 Filter King 20.5x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 18 x .75" - FK20.5x18x1A-M8 -4 Filter King 20.5x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 18 x .75" - FK20.5x18x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x19-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-19-5-x-75-fk20-5x19-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8da71858-c24e-479e-b920-02ed3b3951ea.jpg?v=1781243564 Filter King 20.5x19.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 19.5 x .75" - FK20.5x19.5x1A-M8 -4 Filter King 20.5x19.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 19.5 x .75" - FK20.5x19.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x20-5x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-20-5-x-75-fk20-5x20-5x1a-m8-3 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_96f3f6c8-20d9-49a0-b34d-017bf72dc697.jpg?v=1781243563 Filter King 20.5x20.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 20.5 x .75" - FK20.5x20.5x1A-M8 -3 Filter King 20.5x20.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 20.5 x .75" - FK20.5x20.5x1A-M8 -3 https://hvacdirectusa.com/products/filter-king-20-5x20-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-20-5-x-75-fk20-5x20-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d2c9a3a4-33b6-419e-8383-5f9d677ca4e8.jpg?v=1781243563 Filter King 20.5x20.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 20.5 x .75" - FK20.5x20.5x1A-M8 -4 Filter King 20.5x20.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 20.5 x .75" - FK20.5x20.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x20x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-20-x-75-fk20-5x20x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_05f310a8-1292-45db-98be-c99b692a189a.jpg?v=1781243562 Filter King 20.5x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 20 x .75" - FK20.5x20x1A-M8-4 Filter King 20.5x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 20 x .75" - FK20.5x20x1A-M8-4 https://hvacdirectusa.com/products/filter-king-20-5x21-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-21-5-x-75-fk20-5x21-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f04e9b71-882b-4518-b575-97149c0bf1c0.jpg?v=1781243561 Filter King 20.5x21.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 21.5 x .75" - FK20.5x21.5x1A-M8 - 4 Filter King 20.5x21.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 21.5 x .75" - FK20.5x21.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-20-5x21-5x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-21-5-x-75-fk20-5x21-5x1a-m8-3 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c2e50e4f-0390-43a0-98ad-1053a3d3317e.jpg?v=1781243560 Filter King 20.5x21.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 21.5 x .75" - FK20.5x21.5x1A-M8 -3 Filter King 20.5x21.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 21.5 x .75" - FK20.5x21.5x1A-M8 -3 https://hvacdirectusa.com/products/filter-king-20-5x21x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-21-x-75-fk20-5x21x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8ffc3218-1bc6-4465-926a-c9d21f8b17bd.jpg?v=1781243559 Filter King 20.5x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 21 x .75" - FK20.5x21x1A-M8-4 Filter King 20.5x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 21 x .75" - FK20.5x21x1A-M8-4 https://hvacdirectusa.com/products/filter-king-20-5x22-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-22-5-x-75-fk20-5x22-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_36c49a59-4a48-4bee-979f-15d7fb949083.jpg?v=1781243558 Filter King 20.5x22.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 22.5 x .75" - FK20.5x22.5x1A-M8 - 4 Filter King 20.5x22.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 22.5 x .75" - FK20.5x22.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-20-5x22-5x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-22-5-x-75-fk20-5x22-5x1a-m8-3 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6ccf39ca-f960-4d00-be3a-8506ff66516b.jpg?v=1781243557 Filter King 20.5x22.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 22.5 x .75" - FK20.5x22.5x1A-M8 -3 Filter King 20.5x22.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 22.5 x .75" - FK20.5x22.5x1A-M8 -3 https://hvacdirectusa.com/products/filter-king-20-5x22x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-22-x-75-fk20-5x22x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f1422f59-b8be-4af4-82bb-b957c4370fe2.jpg?v=1781243557 Filter King 20.5x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 22 x .75" - FK20.5x22x1A-M8 -4 Filter King 20.5x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 22 x .75" - FK20.5x22x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x23-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-23-5-x-75-fk20-5x23-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_54542fe8-acfd-4cd5-ac45-4910029e5d42.jpg?v=1781243556 Filter King 20.5x23.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 23.5 x .75" - FK20.5x23.5x1A-M8 -4 Filter King 20.5x23.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 23.5 x .75" - FK20.5x23.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x23-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-23-5-x-75-fk20-5x23-5x1a-m8-4-cloned-48265 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_770f6828-50b4-48e2-99cd-90910d0ba870.jpg?v=1781243555 Filter King 20.5x23.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 23.5 x .75" - FK20.5x23.5x1A-M8 -4 - [Cloned #48265] Filter King 20.5x23.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 23.5 x .75" - FK20.5x23.5x1A-M8 -4 - [Cloned #48265] https://hvacdirectusa.com/products/filter-king-20-5x23x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-23-x-75-fk20-5x23x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d8c824e5-7899-4f0a-967a-4d7961146b55.jpg?v=1781243554 Filter King 20.5x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 23 x .75" - FK20.5x23x1A-M8 -4 Filter King 20.5x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 23 x .75" - FK20.5x23x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x24-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-24-5-x-75-fk20-5x24-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e060773d-93dd-485c-b846-0cf57c9f867e.jpg?v=1781243553 Filter King 20.5x24.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 24.5 x .75" - FK20.5x24.5x1A-M8 -4 Filter King 20.5x24.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 24.5 x .75" - FK20.5x24.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x24x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-24-x-75-fk20-5x24x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_49b8743f-997f-421d-b081-26d84eb2b554.jpg?v=1781243553 Filter King 20.5x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 24 x .75" - FK20.5x24x1A-M8 -4 Filter King 20.5x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 24 x .75" - FK20.5x24x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x25-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-25-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_528b322d-6d12-4b35-be38-362e8b9d05d4.jpg?v=1781243552 Filter King 20.5x25.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 25.5 x .75" Filter King 20.5x25.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 25.5 x .75" https://hvacdirectusa.com/products/filter-king-20-5x25x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-25-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_13b9ef97-1a16-478e-a09b-13bbf3073641.jpg?v=1781243551 Filter King 20.5x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 25 x .75" Filter King 20.5x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 25 x .75" https://hvacdirectusa.com/products/filter-king-20-5x26-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-26-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d575ed30-440f-4cfc-ae7c-52d85b96de80.jpg?v=1781243550 Filter King 20.5x26.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 26.5 x .75" Filter King 20.5x26.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 26.5 x .75" https://hvacdirectusa.com/products/filter-king-20-5x26x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-26-x-75-fk20-5x26x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_db72a958-17f0-4ab8-8dad-d69cdc33d163.jpg?v=1781243550 Filter King 20.5x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 26 x .75" - FK20.5x26x1A-M8-4 Filter King 20.5x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 26 x .75" - FK20.5x26x1A-M8-4 https://hvacdirectusa.com/products/filter-king-20-5x27-5x1-air-filter-4-pack-merv-8-actual-size-20-5-x-27-5-x-75-fk20-5x27-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_02760bbe-4bb6-4079-84c6-92ba37a7e1de.jpg?v=1781243548 Filter King 20.5x27.5x1 Air Filter 4-PACK MERV 8 Actual Size 20.5 x 27.5 x .75" - FK20.5x27.5x1A-M8-4 Filter King 20.5x27.5x1 Air Filter 4-PACK MERV 8 Actual Size 20.5 x 27.5 x .75" - FK20.5x27.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-20-5x27x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-27-x-75-fk20-5x27x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_faee42ff-4c66-4c6f-affb-8a915c150e7c.jpg?v=1781243548 Filter King 20.5x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 27 x .75" - FK20.5x27x1A-M8 -4 Filter King 20.5x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 27 x .75" - FK20.5x27x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x28-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-28-5-x-75-fk20-5x28-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_adfda0b2-f576-4a25-98be-417282e97446.jpg?v=1781243547 Filter King 20.5x28.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 28.5 x .75" - FK20.5x28.5x1A-M8 -4 Filter King 20.5x28.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 28.5 x .75" - FK20.5x28.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x28x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-28-x-75-fk20-5x28x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_96674f00-f875-40a7-8986-12dd8b5538e3.jpg?v=1781243546 Filter King 20.5x28x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 28 x .75" - FK20.5x28x1A-M8 -4 Filter King 20.5x28x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 28 x .75" - FK20.5x28x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x29-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-29-5-x-75-fk20-5x29-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0aa76a1b-0a20-4850-b37d-740a59b31185.jpg?v=1781243545 Filter King 20.5x29.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 29.5 x .75" - FK20.5x29.5x1A-M8 - 4 Filter King 20.5x29.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 29.5 x .75" - FK20.5x29.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-20-5x29x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-29-x-75-fk20-5x29x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_626a01c6-4535-488a-9abf-521975e07f36.jpg?v=1781243544 Filter King 20.5x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 29 x .75" - FK20.5x29x1A-M8 -4 Filter King 20.5x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 29 x .75" - FK20.5x29x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x30-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-30-5-x-75-fk20-5x30-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_058353e0-99de-4371-807c-28308c46ebce.jpg?v=1781243544 Filter King 20.5x30.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 30.5 x .75" - FK20.5x30.5x1A-M8 -4 Filter King 20.5x30.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 30.5 x .75" - FK20.5x30.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x31-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-31-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_73adef1a-8f6e-4c5f-ba26-2a19c7221a57.jpg?v=1781243543 Filter King 20.5x31.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 31.5 x .75" Filter King 20.5x31.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 31.5 x .75" https://hvacdirectusa.com/products/filter-king-20-5x31x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-31-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_fab7ca7d-83b6-4914-8f5d-b8d45642cb9f.jpg?v=1781243542 Filter King 20.5x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 31 x .75" Filter King 20.5x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 31 x .75" https://hvacdirectusa.com/products/filter-king-20-5x32-5x1-air-filter-4-pack-merv-8-actual-size-20-5-x-32-5-x-75-fk20-5x32-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9686fcf3-8f50-43b7-b30f-499afa1d58b1.jpg?v=1781243541 Filter King 20.5x32.5x1 Air Filter 4-PACK MERV 8 Actual Size 20.5 x 32.5 x .75" - FK20.5x32.5x1A-M8 -4 Filter King 20.5x32.5x1 Air Filter 4-PACK MERV 8 Actual Size 20.5 x 32.5 x .75" - FK20.5x32.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x33-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-33-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6d37ba2e-b3c9-4c72-99fc-4f8181e48fcb.jpg?v=1781243540 Filter King 20.5x33.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 33.5 x .75" Filter King 20.5x33.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 33.5 x .75" https://hvacdirectusa.com/products/filter-king-20-5x33x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-33-x-75-fk20-5x33x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_edd7b8b9-10d2-4930-881f-c5865b8ca3ff.jpg?v=1781243539 Filter King 20.5x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 33 x .75" - FK20.5x33x1A-M8 -4 Filter King 20.5x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 33 x .75" - FK20.5x33x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x34-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-34-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d60f5c9e-61bf-4298-8c4b-a21a2661902e.jpg?v=1781243538 Filter King 20.5x34.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 34.5 x .75" Filter King 20.5x34.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 34.5 x .75" https://hvacdirectusa.com/products/filter-king-20-5x34x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-34-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_08bf54f9-05fb-4a91-af80-1b7056f53988.jpg?v=1781243537 Filter King 20.5x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 34 x .75" Filter King 20.5x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 34 x .75" https://hvacdirectusa.com/products/filter-king-20-5x35x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-35-x-75-fk20-5x35x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1e0dc9d1-21fc-4370-90df-e37ddd3c366f.jpg?v=1781243536 Filter King 20.5x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 35 x .75" - FK20.5x35x1A-M8 - 4 Filter King 20.5x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 35 x .75" - FK20.5x35x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-20-5x36-5x1-air-filter-4-pack-merv-8-actual-size-20-5-x-36-5-x-75-fk20-5x36-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_759b0fa9-e778-43e2-87ea-2be134cd0228.jpg?v=1781243535 Filter King 20.5x36.5x1 Air Filter 4-PACK MERV 8 Actual Size 20.5 x 36.5 x .75" - FK20.5x36.5x1A-M8 -4 Filter King 20.5x36.5x1 Air Filter 4-PACK MERV 8 Actual Size 20.5 x 36.5 x .75" - FK20.5x36.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x36x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-36-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f089851b-b5da-4749-a37b-d1735d373947.jpg?v=1781243534 Filter King 20.5x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 36 x .75" Filter King 20.5x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 36 x .75" https://hvacdirectusa.com/products/filter-king-20-5x37-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-37-5-x-75-fk20-5x37-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f85b828c-dbd3-412c-8fd9-c5c513160d24.jpg?v=1781243533 Filter King 20.5x37.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 37.5 x .75" - FK20.5x37.5x1A-M8 -4 Filter King 20.5x37.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 37.5 x .75" - FK20.5x37.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x37x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-37-x-75-fk20-5x37x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_02137ae7-c82a-4857-a547-f20a2904422d.jpg?v=1781243532 Filter King 20.5x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 37 x .75" - FK20.5x37x1A-M8 -4 Filter King 20.5x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 37 x .75" - FK20.5x37x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x38-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-38-5-x-75-fk20-5x38-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_057afb42-54ba-4c79-80ef-2e936e8db5f3.jpg?v=1781243531 Filter King 20.5x38.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 38.5 x .75" - FK20.5x38.5x1A-M8-4 Filter King 20.5x38.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 38.5 x .75" - FK20.5x38.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-20-5x39-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-39-5-x-75-fk20-5x39-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a85a3f7b-dde9-470e-a7d2-0cbd8aa7cf8e.jpg?v=1781243531 Filter King 20.5x39.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 39.5 x .75" - FK20.5x39.5x1A-M8 -4 Filter King 20.5x39.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 39.5 x .75" - FK20.5x39.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x39x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-39-x-75-fk20-5x39x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f5fa19ec-a15a-4e5c-a4c9-49519382f6db.jpg?v=1781243530 Filter King 20.5x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 39 x .75" - FK20.5x39x1A-M8 -4 Filter King 20.5x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 39 x .75" - FK20.5x39x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x4-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-4-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e9ea7946-227d-4833-a2f7-2a16b5d0d830.jpg?v=1781243529 Filter King 20.5x4.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 4.5 x .75" Filter King 20.5x4.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 4.5 x .75" https://hvacdirectusa.com/products/filter-king-20-5x40-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-40-5-x-75-fk20-5x40-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_598d88d6-5c4c-4f89-a0d7-e2a3a4a0143c.jpg?v=1781243528 Filter King 20.5x40.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 40.5 x .75" - FK20.5x40.5x1A-M8 -4 Filter King 20.5x40.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 40.5 x .75" - FK20.5x40.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x40x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-40-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d8367b85-9e1b-4ae7-940a-0439387cf1c7.jpg?v=1781243527 Filter King 20.5x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 40 x .75" Filter King 20.5x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 40 x .75" https://hvacdirectusa.com/products/filter-king-20-5x41-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-41-5-x-75-fk20-5x41-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1fc0567e-ca05-42ba-b3cb-1dec9a8d4000.jpg?v=1781243526 Filter King 20.5x41.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 41.5 x .75" - FK20.5x41.5x1A-M8 -4 Filter King 20.5x41.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 41.5 x .75" - FK20.5x41.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x42-5x1-air-filter-4-pack-merv-8-actual-size-20-5-x-42-5-x-75-fk20-5x42-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_17357441-fe9b-48e9-b669-91928d82d658.jpg?v=1781243525 Filter King 20.5x42.5x1 Air Filter 4-PACK MERV 8 Actual Size 20.5 x 42.5 x .75" - FK20.5x42.5x1A-M8 -4 Filter King 20.5x42.5x1 Air Filter 4-PACK MERV 8 Actual Size 20.5 x 42.5 x .75" - FK20.5x42.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x42x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-42-x-75-fk20-5x42x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1b9ea34e-6604-463c-9f50-4b8391725554.jpg?v=1781243524 Filter King 20.5x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 42 x .75" - FK20.5x42x1A-M8 -4 Filter King 20.5x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 42 x .75" - FK20.5x42x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x43-5x1-air-filter-4-pack-merv-8-actual-size-20-5-x-43-5-x-75-fk20-5x43-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7175be5c-3996-4e18-9a2c-961a1e44ba28.jpg?v=1781243523 Filter King 20.5x43.5x1 Air Filter 4-PACK MERV 8 Actual Size 20.5 x 43.5 x .75" - FK20.5x43.5x1A-M8 -4 Filter King 20.5x43.5x1 Air Filter 4-PACK MERV 8 Actual Size 20.5 x 43.5 x .75" - FK20.5x43.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x43x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-43-x-75-fk20-5x43x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_add90def-8536-4424-8117-76eb015dcd2d.jpg?v=1781243522 Filter King 20.5x43x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 43 x .75" - FK20.5x43x1A-M8 -4 Filter King 20.5x43x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 43 x .75" - FK20.5x43x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x44-5x1-air-filter-4-pack-merv-8-actual-size-20-5-x-44-5-x-75-fk20-5x44-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2b84b61c-9886-44ac-ab5b-53ad6d27d8bb.jpg?v=1781243513 Filter King 20.5x44.5x1 Air Filter 4-PACK MERV 8 Actual Size 20.5 x 44.5 x .75" - FK20.5x44.5x1A-M8 -4 Filter King 20.5x44.5x1 Air Filter 4-PACK MERV 8 Actual Size 20.5 x 44.5 x .75" - FK20.5x44.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x44x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-44-x-75-fk20-5x44x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2e74afa8-1e11-45ff-8597-1ab0adaa3658.jpg?v=1781243513 Filter King 20.5x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 44 x .75" - FK20.5x44x1A-M8 -4 Filter King 20.5x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 44 x .75" - FK20.5x44x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x45-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-45-5-x-75-fk20-5x45-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d157b060-5d50-467b-bb8f-ed9db08b673b.jpg?v=1781243512 Filter King 20.5x45.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 45.5 x .75" - FK20.5x45.5x1A-M8 -4 Filter King 20.5x45.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 45.5 x .75" - FK20.5x45.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x45x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-45-x-75-fk20-5x45-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9ed860df-a15b-4237-b377-81b7302c64ea.jpg?v=1781243511 Filter King 20.5x45x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 45 x .75" - FK20.5x45.5x1A-M8 -4 Filter King 20.5x45x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 45 x .75" - FK20.5x45.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x46-5x1-air-filter-4-pack-merv-8-actual-size-20-5-x-46-5-x-75-fk20-5x46-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ecafdab2-3fdd-45a6-9d92-ab4d311b5af5.jpg?v=1781243511 Filter King 20.5x46.5x1 Air Filter 4-PACK MERV 8 Actual Size 20.5 x 46.5 x .75" - FK20.5x46.5x1A-M8 -4 Filter King 20.5x46.5x1 Air Filter 4-PACK MERV 8 Actual Size 20.5 x 46.5 x .75" - FK20.5x46.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x46x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-46-x-75-fk20-5x46x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b2046288-327a-44d3-a90c-ef7f2b4796dd.jpg?v=1781243510 Filter King 20.5x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 46 x .75" - FK20.5x46x1A-M8 -4 Filter King 20.5x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 46 x .75" - FK20.5x46x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x47-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-47-5-x-75-fk20-5x47-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_87e39ca8-2599-42a7-8666-08c1c061ce6e.jpg?v=1781243510 Filter King 20.5x47.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 47.5 x .75" - FK20.5x47.5x1A-M8 -4 Filter King 20.5x47.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 47.5 x .75" - FK20.5x47.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x48-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-48-5-x-75-fk20-5x48-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0bd1dddc-5ca5-481c-87e4-bae0856df4d2.jpg?v=1781243509 Filter King 20.5x48.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 48.5 x .75" - FK20.5x48.5x1A-M8 -4 Filter King 20.5x48.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 48.5 x .75" - FK20.5x48.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x48x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-48-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_cfae9927-7a32-4d38-aff0-3c0220297270.jpg?v=1781243508 Filter King 20.5x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 48 x .75" Filter King 20.5x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 48 x .75" https://hvacdirectusa.com/products/filter-king-20-5x49-5x1-air-filter-4-pack-merv-8-actual-size-20-5-x-49-5-x-75-fk20-5x49-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2daf6ea9-273f-45c8-813e-76c6ff8338bd.jpg?v=1781243507 Filter King 20.5x49.5x1 Air Filter 4-PACK MERV 8 Actual Size 20.5 x 49.5 x .75" - FK20.5x49.5x1A-M8 -4 Filter King 20.5x49.5x1 Air Filter 4-PACK MERV 8 Actual Size 20.5 x 49.5 x .75" - FK20.5x49.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x49x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-49-x-75-fk20-5x49x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_eb8d963a-6eba-4f71-bf83-fbdb9a48db1f.jpg?v=1781243506 Filter King 20.5x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 49 x .75" - FK20.5x49x1A-M8 -4 Filter King 20.5x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 49 x .75" - FK20.5x49x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x4x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-4-x-75-fk20-5x4x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4e601c4b-e4d6-4cb1-a2e9-daa3362b25b7.jpg?v=1781243505 Filter King 20.5x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 4 x .75" - FK20.5x4x1A-M8 4 Filter King 20.5x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 4 x .75" - FK20.5x4x1A-M8 4 https://hvacdirectusa.com/products/filter-king-20-5x5-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-5-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4eefd56d-ffa1-472a-885c-942ffad1937a.jpg?v=1781243504 Filter King 20.5x5.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 5.5 x .75" Filter King 20.5x5.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 5.5 x .75" https://hvacdirectusa.com/products/filter-king-20-5x50-5x1-air-filter-4-pack-merv-8-actual-size-20-5-x-50-5-x-75-fk20-5x50-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d530fbce-61ca-4ae8-a448-de997df6d61e.jpg?v=1781243503 Filter King 20.5x50.5x1 Air Filter 4-PACK MERV 8 Actual Size 20.5 x 50.5 x .75" - FK20.5x50.5x1A-M8 -4 Filter King 20.5x50.5x1 Air Filter 4-PACK MERV 8 Actual Size 20.5 x 50.5 x .75" - FK20.5x50.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x51-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-51-5-x-75-fk20-5x51-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f85857d7-5d77-452a-a7c3-afe1d296a595.jpg?v=1781243502 Filter King 20.5x51.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 51.5 x .75" - FK20.5x51.5x1A-M8 -4 Filter King 20.5x51.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 51.5 x .75" - FK20.5x51.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x51x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-51-x-75-fk20-5x51x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_87af1302-d102-4c09-b2d3-93aec3753ec2.jpg?v=1781243500 Filter King 20.5x51x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 51 x .75" - FK20.5x51x1A-M8 -4 Filter King 20.5x51x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 51 x .75" - FK20.5x51x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x52-5x1-air-filter-4-pack-merv-8-actual-size-20-5-x-52-5-x-75-fk20-5x52-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_93cbcbfc-d88f-484e-8d9a-b89639c77074.jpg?v=1781243500 Filter King 20.5x52.5x1 Air Filter 4-PACK MERV 8 Actual Size 20.5 x 52.5 x .75" - FK20.5x52.5x1A-M8 -4 Filter King 20.5x52.5x1 Air Filter 4-PACK MERV 8 Actual Size 20.5 x 52.5 x .75" - FK20.5x52.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x52x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-52-x-75-fk20-5x52x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0ef99ae3-5b72-4db7-bee0-ceff120c6eaa.jpg?v=1781243498 Filter King 20.5x52x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 52 x .75" - FK20.5x52x1A-M8 -4 Filter King 20.5x52x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 52 x .75" - FK20.5x52x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x53-5x1-air-filter-4-pack-merv-8-actual-size-20-5-x-53-5-x-75-fk20-5x53-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6b4a5832-4dfc-4fdb-b0ae-9c52aa01b342.jpg?v=1781243497 Filter King 20.5x53.5x1 Air Filter 4-PACK MERV 8 Actual Size 20.5 x 53.5 x .75" - FK20.5x53.5x1A-M8 -4 Filter King 20.5x53.5x1 Air Filter 4-PACK MERV 8 Actual Size 20.5 x 53.5 x .75" - FK20.5x53.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x53x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-53-x-75-fk20-5x53x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_38218a17-9dbb-4ada-ad01-4bee07d93bf0.jpg?v=1781243496 Filter King 20.5x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 53 x .75" - FK20.5x53x1A-M8 -4 Filter King 20.5x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 53 x .75" - FK20.5x53x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x54-5x1-air-filter-4-pack-merv-8-actual-size-20-5-x-54-5-x-75-fk20-5x54-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b8482af7-26e6-48f7-884d-11bd283305da.jpg?v=1781243496 Filter King 20.5x54.5x1 Air Filter 4-PACK MERV 8 Actual Size 20.5 x 54.5 x .75" - FK20.5x54.5x1A-M8-4 Filter King 20.5x54.5x1 Air Filter 4-PACK MERV 8 Actual Size 20.5 x 54.5 x .75" - FK20.5x54.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-20-5x54x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-54-x-75-fk20-5x54x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f6928c84-4175-4116-9495-72ba89f1d8c0.jpg?v=1781243495 Filter King 20.5x54x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 54 x .75" - FK20.5x54x1A-M8 -4 Filter King 20.5x54x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 54 x .75" - FK20.5x54x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x55-5x1-air-filter-4-pack-merv-8-actual-size-20-5-x-55-5-x-75-fk20-5x55-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_46d3a453-006b-4900-98f9-c7406044900d.jpg?v=1781243494 Filter King 20.5x55.5x1 Air Filter 4-PACK MERV 8 Actual Size 20.5 x 55.5 x .75" - FK20.5x55.5x1A-M8 -4 Filter King 20.5x55.5x1 Air Filter 4-PACK MERV 8 Actual Size 20.5 x 55.5 x .75" - FK20.5x55.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x55x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-55-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7528af5b-937d-48e7-8305-16b8b9f38d41.jpg?v=1781243493 Filter King 20.5x55x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 55 x .75" Filter King 20.5x55x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 55 x .75" https://hvacdirectusa.com/products/filter-king-20-5x56-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-56-5-x-75-fk20-5x56-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2909d723-0be7-455e-a23f-cfd2e382b36b.jpg?v=1781243493 Filter King 20.5x56.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 56.5 x .75" - FK20.5x56.5x1A-M8 -4 Filter King 20.5x56.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 56.5 x .75" - FK20.5x56.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x57-5x1-air-filter-4-pack-merv-8-actual-size-20-5-x-57-5-x-75-fk20-5x57-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_de272bf1-b381-4a40-80d3-5b4ac22531a3.jpg?v=1781243492 Filter King 20.5x57.5x1 Air Filter 4-PACK MERV 8 Actual Size 20.5 x 57.5 x .75" - FK20.5x57.5x1A-M8-4 Filter King 20.5x57.5x1 Air Filter 4-PACK MERV 8 Actual Size 20.5 x 57.5 x .75" - FK20.5x57.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-20-5x59-5x1-air-filter-4-pack-merv-8-actual-size-20-5-x-59-5-x-75-fk20-5x59-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1552a316-00d9-4f5b-8c96-9cf5a3182cf4.jpg?v=1781243491 Filter King 20.5x59.5x1 Air Filter 4-PACK MERV 8 Actual Size 20.5 x 59.5 x .75" - FK20.5x59.5x1A-M8 -4 Filter King 20.5x59.5x1 Air Filter 4-PACK MERV 8 Actual Size 20.5 x 59.5 x .75" - FK20.5x59.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x59x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-59-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_bb790393-3d73-4db5-81eb-21fdc9979152.jpg?v=1781243491 Filter King 20.5x59x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 59 x .75" Filter King 20.5x59x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 59 x .75" https://hvacdirectusa.com/products/filter-king-20-5x5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_194874e4-b5f3-4dc6-8243-62d0d0177b31.jpg?v=1781243490 Filter King 20.5x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 5 x .75" Filter King 20.5x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 5 x .75" https://hvacdirectusa.com/products/filter-king-20-5x60-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-60-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a90b55e3-4379-453d-89e9-275da3c38b5a.jpg?v=1781243489 Filter King 20.5x60.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 60.5 x .75" Filter King 20.5x60.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 60.5 x .75" https://hvacdirectusa.com/products/filter-king-22x32-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-32-5-x-75-fk20-5x61-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b5cb032c-cb02-4684-861f-58c75f61caaa.jpg?v=1781243489 Filter King 22x32.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 32.5 x .75" - FK20.5x61.5x1A-M8 - 4 Filter King 22x32.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 32.5 x .75" - FK20.5x61.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-20-5x62-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-62-5-x-75-fk20-5x62-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2e002c56-ae0d-4fc1-a497-8dce045c8f64.jpg?v=1781243488 Filter King 20.5x62.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 62.5 x .75" - FK20.5x62.5x1A-M8 -4 Filter King 20.5x62.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 62.5 x .75" - FK20.5x62.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x63-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-63-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9878d198-7a86-4b73-8b70-ca2e9b443499.jpg?v=1781243487 Filter King 20.5x63.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 63.5 x .75" Filter King 20.5x63.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 63.5 x .75" https://hvacdirectusa.com/products/filter-king-20-5x63x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-63-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_62778256-a20c-4cb7-9df0-828ae760cd39.jpg?v=1781243487 Filter King 20.5x63x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 63 x .75" Filter King 20.5x63x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 63 x .75" https://hvacdirectusa.com/products/filter-king-20-5x64-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-64-5-x-75-fk20-5x64-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_57c85b61-a993-4d42-9563-1a5cf4d0e805.jpg?v=1781243486 Filter King 20.5x64.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 64.5 x .75" - FK20.5x64.5x1A-M8-4 Filter King 20.5x64.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 64.5 x .75" - FK20.5x64.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-20-5x65-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-65-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9bc02e8e-084f-40c4-b372-1910dc5bf2e6.jpg?v=1781243485 Filter King 20.5x65.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 65.5 x .75" Filter King 20.5x65.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 65.5 x .75" https://hvacdirectusa.com/products/filter-king-20-5x66-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-66-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_11446aef-7724-46d1-8345-74098b887f6c.jpg?v=1781243484 Filter King 20.5x66.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 66.5 x .75" Filter King 20.5x66.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 66.5 x .75" https://hvacdirectusa.com/products/filter-king-20-5x66x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-66-x-75-fk20-5x66x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_76ef87da-8665-4db3-bb2a-83b926edb808.jpg?v=1781243484 Filter King 20.5x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 66 x .75" - FK20.5x66x1A-M8 -4 Filter King 20.5x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 66 x .75" - FK20.5x66x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x7-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-7-5-x-75-fk20-5x7-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_daf2a1be-62fa-43fc-b531-2721a0e7bedf.jpg?v=1781243483 Filter King 20.5x7.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 7.5 x .75" - FK20.5x7.5x1A-M8 -4 Filter King 20.5x7.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 7.5 x .75" - FK20.5x7.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x8x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-8-x-75-fk20-5x8x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d1372b32-ac00-4091-bec8-f9b618c8f281.jpg?v=1781243482 Filter King 20.5x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 8 x .75" - FK20.5x8x1A-M8 -4 Filter King 20.5x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 8 x .75" - FK20.5x8x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20-5x9-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-5-x-9-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0e513365-af9e-46fc-ad61-30da3afa7eef.jpg?v=1781243481 Filter King 20.5x9.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 9.5 x .75" Filter King 20.5x9.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 9.5 x .75" https://hvacdirectusa.com/products/filter-king-20x10-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-10-5-x-75-fk20x10-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e62316cd-4db5-455d-9ca5-308e1a562ff1.jpg?v=1781243481 Filter King 20x10.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 10.5 x .75" - FK20x10.5x1A-M8 -4 Filter King 20x10.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 10.5 x .75" - FK20x10.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x10x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-10-x-75-fk20x10x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3de05679-65f8-419e-9b94-f04d32e8ed52.jpg?v=1781243480 Filter King 20x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 10 x .75" - FK20x10x1A-M8 -4 Filter King 20x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 10 x .75" - FK20x10x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x11x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-11-x-75-fk20x11x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f2770035-1562-4bb1-a006-0d152fc3d803.jpg?v=1781243479 Filter King 20x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 11 x .75" - FK20x11x1A-M8 -4 Filter King 20x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 11 x .75" - FK20x11x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x12-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-12-5-x-75-fk20x12-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a78b0ef3-b535-4f55-83b6-3ee06576fd21.jpg?v=1781243479 Filter King 20x12.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 12.5 x .75" - FK20x12.5x1A-M8 -4 Filter King 20x12.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 12.5 x .75" - FK20x12.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x12x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-12-x-75-fk20x12x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_19e1898e-09a4-4329-a863-a10c5b2672af.jpg?v=1781243478 Filter King 20x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 12 x .75" - FK20x12x1A-M8 -4 Filter King 20x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 12 x .75" - FK20x12x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x13-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-13-5-x-75-fk20x13-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0dc57a29-40b0-4b86-8824-cb7d64edccf0.jpg?v=1781243477 Filter King 20x13.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 13.5 x .75" - FK20x13.5x1A-M8 -4 Filter King 20x13.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 13.5 x .75" - FK20x13.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x14-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-14-5-x-75-fk20x14-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_53e8ec87-33d4-4dd0-8171-e34a43cb9a0c.jpg?v=1781243477 Filter King 20x14.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 14.5 x .75" - FK20x14.5x1A-M8 -4 Filter King 20x14.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 14.5 x .75" - FK20x14.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x14x1-air-filter-4-pack-merv-8-actual-size-20-x-14-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_733a3acf-05ad-4737-93ee-fde94376aaea.jpg?v=1781243476 Filter King 20x14x1 Air Filter 4-PACK MERV 8 Actual Size 20 x 14 x .75" Filter King 20x14x1 Air Filter 4-PACK MERV 8 Actual Size 20 x 14 x .75" https://hvacdirectusa.com/products/filter-king-20x15-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-15-5-x-75-fk20x15-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_76c9fe43-0caf-45c2-8fe9-16bd94755058.jpg?v=1781243475 Filter King 20x15.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 15.5 x .75" - FK20x15.5x1A-M8 -4 Filter King 20x15.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 15.5 x .75" - FK20x15.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x15x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-15-x-75-fk20x15x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_608d714f-64ec-45b4-8102-f73cb4ca1921.jpg?v=1781243474 Filter King 20x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 15 x .75" - FK20x15x1A-M8 - 4 Filter King 20x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 15 x .75" - FK20x15x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-20x16-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-16-5-x-75-fk20x16-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f08fed1d-7cde-4320-b0f2-7ec5c5bea171.jpg?v=1781243474 Filter King 20x16.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 16.5 x .75" - FK20x16.5x1A-M8-4 Filter King 20x16.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 16.5 x .75" - FK20x16.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-20x16x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-16-x-75-fk20x16x1a-m8-5 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4f745529-3923-470f-8df6-da024e1682fe.jpg?v=1781243473 Filter King 20x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 16 x .75" - FK20x16x1A-M8 -4 Filter King 20x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 16 x .75" - FK20x16x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x17-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-17-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8a06c4e0-7327-4583-ab16-2810aabe0e59.jpg?v=1781243472 Filter King 20x17.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 17.5 x .75" Filter King 20x17.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 17.5 x .75" https://hvacdirectusa.com/products/filter-king-20x17x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-17-x-75-fk20x17x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9c1e9072-89d1-4383-a8e6-902767cda207.jpg?v=1781243472 Filter King 20x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 17 x .75" - FK20x17x1A-M8 -4 Filter King 20x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 17 x .75" - FK20x17x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x18-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-18-5-x-75-fk20x18-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e30188b5-3243-405d-abd6-2e1844c2cd32.jpg?v=1781243471 Filter King 20x18.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 18.5 x .75" - FK20x18.5x1A-M8 -4 Filter King 20x18.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 18.5 x .75" - FK20x18.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x18x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-18-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9a99c152-55b6-412f-95c2-472868a65a6c.jpg?v=1781243470 Filter King 20x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 18 x .75" Filter King 20x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 18 x .75" https://hvacdirectusa.com/products/filter-king-20x19-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-19-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_86d7479f-84b4-41c6-917c-f72d87f79975.jpg?v=1781243470 Filter King 20x19.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 19.5 x .75" Filter King 20x19.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 19.5 x .75" https://hvacdirectusa.com/products/filter-king-20x19x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-19-x-75-fk20x19x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_26435bc1-43a7-4f6d-ba0f-5714d3fd95ee.jpg?v=1781243469 Filter King 20x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 19 x .75" - FK20x19x1A-M8 -4 Filter King 20x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 19 x .75" - FK20x19x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x20-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-20-5-x-75-fk20x20-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_12cbf5e3-f356-4d68-a440-2cee9f052006.jpg?v=1781243468 Filter King 20x20.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 20.5 x .75" - FK20x20.5x1A-M8-4 Filter King 20x20.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 20.5 x .75" - FK20x20.5x1A-M8-4 https://hvacdirectusa.com/products/20x20x4-merv-8-pleated-hvac-ac-furnace-air-filters-box-of-4-exact-size-19-5-x-19-5-x-3-75-inches 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3d658b0e-e0eb-49ab-8bd6-11ad55877139.jpg?v=1781243467 20x20x4 MERV 8 Pleated HVAC AC Furnace Air Filters. Box of 4. (Exact Size: 19.5 x 19.5 x 3.75 Inches) 20x20x4 MERV 8 Pleated HVAC AC Furnace Air Filters. Box of 4. (Exact Size: 19.5 x 19.5 x 3.75 Inches) https://hvacdirectusa.com/products/filter-king-20x21-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-21-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a286ee8b-a6c3-46c5-939f-221448a12956.jpg?v=1781243467 Filter King 20x21.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 21.5 x .75" Filter King 20x21.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 21.5 x .75" https://hvacdirectusa.com/products/filter-king-20x22-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-22-5-x-75-fk20x22-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_31cabbcb-3d1f-48da-a874-660257df1637.jpg?v=1781243466 Filter King 20x22.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 22.5 x .75" - FK20x22.5x1A-M8 - 4 Filter King 20x22.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 22.5 x .75" - FK20x22.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-20x23-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-23-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e9be0525-8d73-409d-8138-c75d5ae8639b.jpg?v=1781243466 Filter King 20x23.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 23.5 x .75" Filter King 20x23.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 23.5 x .75" https://hvacdirectusa.com/products/filter-king-20x24-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-24-5-x-75-fk20x24-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_450b7e8a-fb5f-48c3-8d4b-028643714055.jpg?v=1781243465 Filter King 20x24.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 24.5 x .75" - FK20x24.5x1A-M8-4 Filter King 20x24.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 24.5 x .75" - FK20x24.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-20x25-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-25-5-x-75-fk20x25-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5402b5aa-dca6-44b4-823b-41c53ffaf462.jpg?v=1781243464 Filter King 20x25.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 25.5 x .75" - FK20x25.5x1A-M8 -4 Filter King 20x25.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 25.5 x .75" - FK20x25.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x26-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-26-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_29c20e3a-6caa-4dc1-b856-f7f4f1285755.jpg?v=1781243463 Filter King 20x26.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 26.5 x .75" Filter King 20x26.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 26.5 x .75" https://hvacdirectusa.com/products/filter-king-20x26x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-26-x-75-fk20x26x1a-m8-5 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_93cc1a76-f802-406e-bdf9-c65bce3a95bf.jpg?v=1781243463 Filter King 20x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 26 x .75" - FK20x26x1A-M8 - 4 Filter King 20x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 26 x .75" - FK20x26x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-20x27-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-27-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f3c9dcc3-8f5b-4ecb-adc5-c2c3335dfa8a.jpg?v=1781243462 Filter King 20x27.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 27.5 x .75" Filter King 20x27.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 27.5 x .75" https://hvacdirectusa.com/products/filter-king-20x27x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-27-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_935b7e6b-9fa3-43c0-b313-171cb8fb5709.jpg?v=1781243461 Filter King 20x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 27 x .75" Filter King 20x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 27 x .75" https://hvacdirectusa.com/products/filter-king-20x28-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-28-5-x-75-fk20x28-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0560655b-9108-47f7-90af-3a029d67837a.jpg?v=1781243460 Filter King 20x28.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 28.5 x .75" - FK20x28.5x1A-M8 -4 Filter King 20x28.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 28.5 x .75" - FK20x28.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x28x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-28-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ded7d8dc-3860-4125-b4fe-32b25d54ea77.jpg?v=1781243460 Filter King 20x28x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 28 x .75" Filter King 20x28x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 28 x .75" https://hvacdirectusa.com/products/filter-king-20x29-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-29-5-x-75-fk20x29-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_98eba188-e32a-40fc-8264-eeb538eb418e.jpg?v=1781243459 Filter King 20x29.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 29.5 x .75" - FK20x29.5x1A-M8 -4 Filter King 20x29.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 29.5 x .75" - FK20x29.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x29x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-29-x-75-fk20x29x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_39e39067-57f5-4be4-8735-057a1b37172e.jpg?v=1781243458 Filter King 20x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 29 x .75" - FK20x29x1A-M8-4 Filter King 20x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 29 x .75" - FK20x29x1A-M8-4 https://hvacdirectusa.com/products/filter-king-20x30-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-30-5-x-75-fk20x30-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d1f12806-1215-4516-bd61-f105c8241de9.jpg?v=1781243457 Filter King 20x30.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 30.5 x .75" - FK20x30.5x1A-M8 -4 Filter King 20x30.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 30.5 x .75" - FK20x30.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x31-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-31-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f1426b2b-3147-40d8-b88f-4bd6c8031d50.jpg?v=1781243457 Filter King 20x31.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 31.5 x .75" Filter King 20x31.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 31.5 x .75" https://hvacdirectusa.com/products/filter-king-20x31x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-31-x-75-fk20x31x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1860355e-d7ed-4190-be7a-fa9923896276.jpg?v=1781243456 Filter King 20x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 31 x .75" - FK20x31x1A-M8 -4 Filter King 20x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 31 x .75" - FK20x31x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x32-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-32-5-x-75-fk20x32-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0c4c3dd1-5671-4813-a310-87739ac96db9.jpg?v=1781243455 Filter King 20x32.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 32.5 x .75" - FK20x32.5x1A-M8 -4 Filter King 20x32.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 32.5 x .75" - FK20x32.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x33-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-33-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7bd777df-d1e9-4732-9541-7b942c921f77.jpg?v=1781243455 Filter King 20x33.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 33.5 x .75" Filter King 20x33.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 33.5 x .75" https://hvacdirectusa.com/products/filter-king-20x33x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-33-x-75-fk20x33x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_af8d1829-6917-4abb-94d1-f9d6206d1e1f.jpg?v=1781243454 Filter King 20x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 33 x .75" - FK20x33x1A-M8 -4 Filter King 20x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 33 x .75" - FK20x33x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x34-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-34-5-x-75-fk20x34-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_16e5cdc5-975a-4e46-9b20-46c543db9381.jpg?v=1781243453 Filter King 20x34.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 34.5 x .75" - FK20x34.5x1A-M8 -4 Filter King 20x34.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 34.5 x .75" - FK20x34.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x35-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-35-5-x-75-fk20x35-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_53effc5e-a55d-4ac3-bce0-5a7d4e6d69fe.jpg?v=1781243452 Filter King 20x35.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 35.5 x .75" - FK20x35.5x1A-M8 -4 Filter King 20x35.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 35.5 x .75" - FK20x35.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x35x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-35-x-75-fk20x35x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7923076a-d20b-4448-ade8-237e28403e6b.jpg?v=1781243452 Filter King 20x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 35 x .75" - FK20x35x1A-M8 -4 Filter King 20x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 35 x .75" - FK20x35x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x35x2-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-34-5-x-1-76 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4d04f995-d1f6-4031-90db-ad610943f563.jpg?v=1781243451 Filter King 20x35x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 34.5 x 1.75" Filter King 20x35x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 34.5 x 1.75" https://hvacdirectusa.com/products/filter-king-20x35x2-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-34-5-x-1-75-fk20x35x2-m8-13 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7e62ef2e-da2b-4037-b4ff-97d56dd18f1a.jpg?v=1781243450 Filter King 20x35x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 34.5 x 1.75" - FK20x35x2-M8 -12 Filter King 20x35x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 34.5 x 1.75" - FK20x35x2-M8 -12 https://hvacdirectusa.com/products/filter-king-20x36-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-36-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2577c2f2-c09e-4078-9539-712166cc7aca.jpg?v=1781243449 Filter King 20x36.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 36.5 x .75" Filter King 20x36.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 36.5 x .75" https://hvacdirectusa.com/products/filter-king-20x38-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-38-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ef26a7fc-1a98-4ea5-9a34-b856c696f805.jpg?v=1781243449 Filter King 20x38.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 38.5 x .75" Filter King 20x38.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 38.5 x .75" https://hvacdirectusa.com/products/filter-king-20x38x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-38-x-75-fk20x38x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f81e8304-4e53-4269-a569-03b43687dc68.jpg?v=1781243448 Filter King 20x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 38 x .75" - FK20x38x1A-M8 -4 Filter King 20x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 38 x .75" - FK20x38x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x39-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-39-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ea6a8aee-255d-4907-8f8d-5487281460e6.jpg?v=1781243447 Filter King 20x39.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 39.5 x .75" Filter King 20x39.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 39.5 x .75" https://hvacdirectusa.com/products/filter-king-20x39x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-39-x-75-fk20x39x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_819ca941-63c4-4729-974e-b053071d7bbc.jpg?v=1781243446 Filter King 20x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 39 x .75" - FK20x39x1A-M8 - 4 Filter King 20x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 39 x .75" - FK20x39x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-20x4-5x1-air-filter-4-pack-merv-8-actual-size-20-x-4-5-x-75-fk20x4-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b33c05b4-0c80-4899-a11a-47b36d798649.jpg?v=1781243446 Filter King 20x4.5x1 Air Filter 4-PACK MERV 8 Actual Size 20 x 4.5 x .75" - FK20x4.5x1A-M8 - 4 Filter King 20x4.5x1 Air Filter 4-PACK MERV 8 Actual Size 20 x 4.5 x .75" - FK20x4.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-20x40-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-40-5-x-75-fk20x40-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f36df452-51d3-4b66-b9e8-2e1634e91904.jpg?v=1781243445 Filter King 20x40.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 40.5 x .75" - FK20x40.5x1A-M8 -4 Filter King 20x40.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 40.5 x .75" - FK20x40.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x41x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-41-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_18e1874c-81f5-445a-b2e6-e262982160c3.jpg?v=1781243444 Filter King 20x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 41 x .75" Filter King 20x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 41 x .75" https://hvacdirectusa.com/products/filter-king-20x42-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-42-5-x-75-fk20x42-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_17494fd6-b3dd-448b-926e-61d77849350e.jpg?v=1781243443 Filter King 20x42.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 42.5 x .75" - FK20x42.5x1A-M8 - 4 Filter King 20x42.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 42.5 x .75" - FK20x42.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-20x42x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-42-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9e83d550-d61b-4393-9852-b8e3c4397203.jpg?v=1781243443 Filter King 20x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 42 x .75" Filter King 20x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 42 x .75" https://hvacdirectusa.com/products/filter-king-20x43-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-43-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9e456621-bed3-459e-9701-7944ff54a648.jpg?v=1781243442 Filter King 20x43.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 43.5 x .75" Filter King 20x43.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 43.5 x .75" https://hvacdirectusa.com/products/filter-king-20x43x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-43-x-75-fk20x43x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_57bffc22-1f0d-41d8-b7ec-2de2db2bd7ea.jpg?v=1781243441 Filter King 20x43x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 43 x .75" - FK20x43x1A-M8 - 4 Filter King 20x43x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 43 x .75" - FK20x43x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-20x44-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-44-5-x-75-fk20x44-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d305e77e-7ef6-4140-8728-706d76eeabd9.jpg?v=1781243440 Filter King 20x44.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 44.5 x .75" - FK20x44.5x1A-M8 -4 Filter King 20x44.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 44.5 x .75" - FK20x44.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x44x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-44-x-75-fk20x44x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c17fb7e5-1321-4ac3-b0e8-68b0f666b275.jpg?v=1781243440 Filter King 20x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 44 x .75" - FK20x44x1A-M8 -4 Filter King 20x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 44 x .75" - FK20x44x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x45-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-45-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2d30a99b-d277-44a0-ab0b-e5662e119d7b.jpg?v=1781243439 Filter King 20x45.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 45.5 x .75" Filter King 20x45.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 45.5 x .75" https://hvacdirectusa.com/products/filter-king-20x46-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-46-5-x-75-fk20x46-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_395716e8-583d-4442-8901-f911c69c2313.jpg?v=1781243438 Filter King 20x46.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 46.5 x .75" - FK20x46.5x1A-M8 - 4 Filter King 20x46.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 46.5 x .75" - FK20x46.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-20x46x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-46-x-75-fk20x46x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3039400e-e382-410d-9f39-68ba590621be.jpg?v=1781243437 Filter King 20x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 46 x .75" - FK20x46x1A-M8 -4 Filter King 20x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 46 x .75" - FK20x46x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x47-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-47-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_353ded30-2b6f-4a41-98d7-34f76232eae9.jpg?v=1781243436 Filter King 20x47.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 47.5 x .75" Filter King 20x47.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 47.5 x .75" https://hvacdirectusa.com/products/filter-king-20x47x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-47-x-75-fk20x47x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3a7c62a0-4973-472c-9aa6-f12bf53ae88c.jpg?v=1781243436 Filter King 20x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 47 x .75" - FK20x47x1A-M8 -4 Filter King 20x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 47 x .75" - FK20x47x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x48-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-48-5-x-75-fk20x48-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_412b4c52-c372-4a7d-81fd-5efc79529fb8.jpg?v=1781243435 Filter King 20x48.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 48.5 x .75" - FK20x48.5x1A-M8 -4 Filter King 20x48.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 48.5 x .75" - FK20x48.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x48x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-48-x-75-fk20x48x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f2626065-2002-435c-9db9-f0d1a6cb27bd.jpg?v=1781243434 Filter King 20x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 48 x .75" - FK20x48x1A-M8 -4 Filter King 20x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 48 x .75" - FK20x48x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x49-5x1-air-filter-4-pack-merv-8-actual-size-20-x-49-5-x-75-fk20x49-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7c94bcac-9d99-4d56-8578-9b5e4b8161e9.jpg?v=1781243434 Filter King 20x49.5x1 Air Filter 4-PACK MERV 8 Actual Size 20 x 49.5 x .75" - FK20x49.5x1A-M8 -4 Filter King 20x49.5x1 Air Filter 4-PACK MERV 8 Actual Size 20 x 49.5 x .75" - FK20x49.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x49x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-49-x-75-fk20x49x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_95a823fe-2c86-4965-b2bd-d95aa24d5765.jpg?v=1781243433 Filter King 20x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 49 x .75" - FK20x49x1A-M8 - 4 Filter King 20x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 49 x .75" - FK20x49x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-20x4x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-4-x-75-fk20x4x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d25e4d6e-1b5d-4fc0-a767-b14007922b51.jpg?v=1781243432 Filter King 20x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 4 x .75" - FK20x4x1A-M8 -4 Filter King 20x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 4 x .75" - FK20x4x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x5-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-5-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4b59951c-4fe7-473a-b5c2-654c2660d034.jpg?v=1781243431 Filter King 20x5.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 5.5 x .75" Filter King 20x5.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 5.5 x .75" https://hvacdirectusa.com/products/filter-king-20x50-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-50-5-x-75-fk20x50-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a3927f62-0726-41e8-9b2a-d72aa35f097d.jpg?v=1781243431 Filter King 20x50.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 50.5 x .75" - FK20x50.5x1A-M8 -4 Filter King 20x50.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 50.5 x .75" - FK20x50.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x50x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-50-x-75-fk20x50x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b341c2b2-4452-44e9-ba11-3504f59f92f7.jpg?v=1781243430 Filter King 20x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 50 x .75" - FK20x50x1A-M8 -4 Filter King 20x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 50 x .75" - FK20x50x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x51-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-51-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3e7c6820-4d78-4027-91ce-06f0bcd99457.jpg?v=1781243423 Filter King 20x51.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 51.5 x .75" Filter King 20x51.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 51.5 x .75" https://hvacdirectusa.com/products/filter-king-20x51x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-51-x-75-fk20x51x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ed9baf7d-3b5a-437b-afb6-6cf0cd55cf66.jpg?v=1781243422 Filter King 20x51x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 51 x .75" - FK20x51x1A-M8 -4 Filter King 20x51x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 51 x .75" - FK20x51x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x52-5x1-air-filter-4-pack-merv-8-actual-size-20-x-52-5-x-75-fk20x52-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0dafaa8a-a8e4-4e05-961e-a183f25386ff.jpg?v=1781243421 Filter King 20x52.5x1 Air Filter 4-PACK MERV 8 Actual Size 20 x 52.5 x .75" - FK20x52.5x1A-M8 -4 Filter King 20x52.5x1 Air Filter 4-PACK MERV 8 Actual Size 20 x 52.5 x .75" - FK20x52.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x52x1-air-filter-4-pack-merv-8-actual-size-20-x-52-x-75-fk20x52x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9114d31a-f78f-4bdf-9f2a-3b832090ff8d.jpg?v=1781243421 Filter King 20x52x1 Air Filter 4-PACK MERV 8 Actual Size 20 x 52 x .75" - FK20x52x1A-M8 -4 Filter King 20x52x1 Air Filter 4-PACK MERV 8 Actual Size 20 x 52 x .75" - FK20x52x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x53-5x1-air-filter-4-pack-merv-8-actual-size-20-x-53-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1c064d58-04fb-4322-a050-277d2baacd20.jpg?v=1781243420 Filter King 20x53.5x1 Air Filter 4-PACK MERV 8 Actual Size 20 x 53.5 x .75" Filter King 20x53.5x1 Air Filter 4-PACK MERV 8 Actual Size 20 x 53.5 x .75" https://hvacdirectusa.com/products/filter-king-20x54-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-54-5-x-75-fk20x54-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b10f486e-9620-40b2-86bc-65cf4174fbb8.jpg?v=1781243419 Filter King 20x54.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 54.5 x .75" - FK20x54.5x1A-M8 -4 Filter King 20x54.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 54.5 x .75" - FK20x54.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x54x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-54-x-75-fk20x54x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_61c70338-9b85-49b1-bd5d-4158358a4f2f.jpg?v=1781243419 Filter King 20x54x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 54 x .75" - FK20x54x1A-M8 -4 Filter King 20x54x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 54 x .75" - FK20x54x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x55-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-55-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a5affe82-5cf8-4090-9ef5-40eaf5c9586e.jpg?v=1781243418 Filter King 20x55.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 55.5 x .75" Filter King 20x55.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 55.5 x .75" https://hvacdirectusa.com/products/filter-king-20x55x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-55-x-75-fk20x55x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4ee5511b-a0da-4693-bb0d-8c797a45e106.jpg?v=1781243417 Filter King 20x55x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 55 x .75" - FK20x55x1A-M8 -4 Filter King 20x55x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 55 x .75" - FK20x55x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x56-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-56-5-x-75-fk20x56-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_36aa3fd2-f3ea-42f2-984f-d789d611aa7c.jpg?v=1781243416 Filter King 20x56.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 56.5 x .75" - FK20x56.5x1A-M8 -4 Filter King 20x56.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 56.5 x .75" - FK20x56.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x56x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-56-x-75-fk20x56x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_885a6f3f-cbb4-4d19-ad3b-a82f33820675.jpg?v=1781243415 Filter King 20x56x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 56 x .75" - FK20x56x1A-M8 -4 Filter King 20x56x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 56 x .75" - FK20x56x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x57-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-57-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c06a60d2-8718-4ea2-8c20-4fdea250dc01.jpg?v=1781243414 Filter King 20x57.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 57.5 x .75" Filter King 20x57.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 57.5 x .75" https://hvacdirectusa.com/products/filter-king-20x57x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-57-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ae536c07-4d0a-4c40-a96e-e33e7758697a.jpg?v=1781243414 Filter King 20x57x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 57 x .75" Filter King 20x57x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 57 x .75" https://hvacdirectusa.com/products/filter-king-20x58x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-58-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_51962129-33c7-4b0e-940f-f932356b7b6b.jpg?v=1781243413 Filter King 20x58x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 58 x .75" Filter King 20x58x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 58 x .75" https://hvacdirectusa.com/products/filter-king-20x59-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-59-5-x-75-fk20x59-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_06940d1d-2f19-4867-9be4-9210590ed01f.jpg?v=1781243412 Filter King 20x59.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 59.5 x .75" - FK20x59.5x1A-M8 -4 Filter King 20x59.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 59.5 x .75" - FK20x59.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x59x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-59-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_37dbde5c-4c9b-4e18-9dfb-5969273c4e3b.jpg?v=1781243411 Filter King 20x59x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 59 x .75" Filter King 20x59x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 59 x .75" https://hvacdirectusa.com/products/filter-king-20x5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-5-x-75-fk20x5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_682de4d0-7f3b-4e3b-8343-02d67080c868.jpg?v=1781243411 Filter King 20x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 5 x .75" - FK20x5x1A-M8 -4 Filter King 20x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 5 x .75" - FK20x5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x6-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-6-5-x-75-fk20x6-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e642cd41-7750-41a7-a0d6-91d342169924.jpg?v=1781243410 Filter King 20x6.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 6.5 x .75" - FK20x6.5x1A-M8 -4 Filter King 20x6.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 6.5 x .75" - FK20x6.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x60-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-60-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8d9e6c57-b437-4a16-b2d5-82b07e0949d4.jpg?v=1781243409 Filter King 20x60.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 60.5 x .75" Filter King 20x60.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 60.5 x .75" https://hvacdirectusa.com/products/filter-king-22x60x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-60-x-75-fk20x60x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_04440297-5bbc-44cb-a0a6-c6f395505a59.jpg?v=1781243409 Filter King 22x60x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 60 x .75" - FK20x60x1A-M8 -4 Filter King 22x60x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 60 x .75" - FK20x60x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x61x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-61-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_bd7f9141-ee6f-4026-8940-cec0461237a7.jpg?v=1781243408 Filter King 20x61x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 61 x .75" Filter King 20x61x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 61 x .75" https://hvacdirectusa.com/products/filter-king-20x62-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-62-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b77151a2-b82a-4b31-afd4-ec006deb57ab.jpg?v=1781243407 Filter King 20x62.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 62.5 x .75" Filter King 20x62.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 62.5 x .75" https://hvacdirectusa.com/products/filter-king-20x62x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-62-x-75-fk20x62x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2773cfaf-2d8c-4435-8039-1a7d7fec4073.jpg?v=1781243406 Filter King 20x62x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 62 x .75" - FK20x62x1A-M8 -4 Filter King 20x62x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 62 x .75" - FK20x62x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x63-5x1-air-filter-4-pack-merv-8-actual-size-20-x-63-5-x-75-fk20x63-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9776f118-b0eb-49c0-b0a6-a8249399f891.jpg?v=1781243405 Filter King 20x63.5x1 Air Filter 4-PACK MERV 8 Actual Size 20 x 63.5 x .75" - FK20x63.5x1A-M8 -4 Filter King 20x63.5x1 Air Filter 4-PACK MERV 8 Actual Size 20 x 63.5 x .75" - FK20x63.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x63x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-63-x-75-fk20x63x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8edf3d72-1332-40db-98d1-735b9dd8ceff.jpg?v=1781243404 Filter King 20x63x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 63 x .75" - FK20x63x1A-M8 -4 Filter King 20x63x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 63 x .75" - FK20x63x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x64-5x1-air-filter-4-pack-merv-8-actual-size-20-x-64-5-x-75-fk20x64-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b64c51b7-6fa4-4d3d-a0c4-494ecd21ea01.jpg?v=1781243403 Filter King 20x64.5x1 Air Filter 4-PACK MERV 8 Actual Size 20 x 64.5 x .75" - FK20x64.5x1A-M8 -4 Filter King 20x64.5x1 Air Filter 4-PACK MERV 8 Actual Size 20 x 64.5 x .75" - FK20x64.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x64x1-air-filter-4-pack-merv-8-actual-size-20-x-64-x-75-fk20x64x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4e0e1405-301d-4954-b7ac-95477d123e00.jpg?v=1781243402 Filter King 20x64x1 Air Filter 4-PACK MERV 8 Actual Size 20 x 64 x .75" - FK20x64x1A-M8 -4 Filter King 20x64x1 Air Filter 4-PACK MERV 8 Actual Size 20 x 64 x .75" - FK20x64x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x65-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-65-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_caf4df4c-2ced-4df6-8cfc-81dffd5b6a26.jpg?v=1781243402 Filter King 20x65.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 65.5 x .75" Filter King 20x65.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 65.5 x .75" https://hvacdirectusa.com/products/filter-king-20x66x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-66-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_fcb95b58-f91a-4ece-ae49-f5f61b54b31a.jpg?v=1781243401 Filter King 20x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 66 x .75" Filter King 20x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 66 x .75" https://hvacdirectusa.com/products/filter-king-20x6x1-air-filter-4-pack-merv-8-actual-size-20-x-6-x-75-fk20x6x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b8d52c76-0688-4be4-8617-5e1375cada7a.jpg?v=1781243400 Filter King 20x6x1 Air Filter 4-PACK MERV 8 Actual Size 20 x 6 x .75" - FK20x6x1A-M8 -4 Filter King 20x6x1 Air Filter 4-PACK MERV 8 Actual Size 20 x 6 x .75" - FK20x6x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x7-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-7-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5758ffb5-28f9-4eaf-83ac-dc404c0540f5.jpg?v=1781243399 Filter King 20x7.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 7.5 x .75" Filter King 20x7.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 7.5 x .75" https://hvacdirectusa.com/products/filter-king-20x7x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-7-x-75-fk20x7x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_15b116c9-1f3d-4a30-983e-1b7c2c07e512.jpg?v=1781243398 Filter King 20x7x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 7 x .75" - FK20x7x1A-M8 -4 Filter King 20x7x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 7 x .75" - FK20x7x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x8-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-8-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0a58bd28-2c74-4a4e-99de-de57b373bbb7.jpg?v=1781243398 Filter King 20x8.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 8.5 x .75" Filter King 20x8.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 8.5 x .75" https://hvacdirectusa.com/products/filter-king-20x8x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-8-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b3cfc1e5-f8bc-4e1e-9b32-d8e233008195.jpg?v=1781243397 Filter King 20x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 8 x .75" Filter King 20x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 8 x .75" https://hvacdirectusa.com/products/filter-king-20x9-5x1-air-filter-4-pack-merv-8-actual-size-20-x-9-5-x-75-fk20x9-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5e115817-b33b-4169-9c86-39dc4a9b8384.jpg?v=1781243396 Filter King 20x9.5x1 Air Filter 4-PACK MERV 8 Actual Size 20 x 9.5 x .75" - FK20x9.5x1A-M8 -4 Filter King 20x9.5x1 Air Filter 4-PACK MERV 8 Actual Size 20 x 9.5 x .75" - FK20x9.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x9x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-9-x-75-fk20x9x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_25d03bad-9075-44e2-86dc-dd9783fa61f5.jpg?v=1781243395 Filter King 20x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 9 x .75" - FK20x9x1A-M8 -4 Filter King 20x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 9 x .75" - FK20x9x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x10-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-10-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1d183b6c-d759-4462-9f38-1f033840f0fa.jpg?v=1781243394 Filter King 21.5x10.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 10.5 x .75" Filter King 21.5x10.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 10.5 x .75" https://hvacdirectusa.com/products/filter-king-21-5x10x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-10-x-75-fk21-5x10x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b527c430-446f-489a-ab5e-a443df5b96dc.jpg?v=1781243393 Filter King 21.5x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 10 x .75" - FK21.5x10x1A-M8 - 4 Filter King 21.5x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 10 x .75" - FK21.5x10x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-21-5x11-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-11-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a7949622-d2d4-42fe-b81c-0c0760b79017.jpg?v=1781243392 Filter King 21.5x11.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 11.5 x .75" Filter King 21.5x11.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 11.5 x .75" https://hvacdirectusa.com/products/filter-king-21-5x11x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-11-x-75-fk21-5x11x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c3a8f43f-c95a-4756-8dca-58a6ca73e58c.jpg?v=1781243392 Filter King 21.5x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 11 x .75" - FK21.5x11x1A-M8 -4 Filter King 21.5x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 11 x .75" - FK21.5x11x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x12-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-12-5-x-75-fk21-5x12-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d2ce2f76-45f7-418c-99fc-d0126c73cf65.jpg?v=1781243391 Filter King 21.5x12.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 12.5 x .75" - FK21.5x12.5x1A-M8 -4 Filter King 21.5x12.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 12.5 x .75" - FK21.5x12.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x12x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-12-x-75-fk21-5x12x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d0bc57fc-d467-41b5-9c2f-8da986c57a0b.jpg?v=1781243390 Filter King 21.5x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 12 x .75" - FK21.5x12x1A-M8 -4 Filter King 21.5x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 12 x .75" - FK21.5x12x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x13-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-13-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_fe66a5b4-2e4d-4bba-bdef-1a6580c9dff2.jpg?v=1781243389 Filter King 21.5x13.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 13.5 x .75" Filter King 21.5x13.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 13.5 x .75" https://hvacdirectusa.com/products/filter-king-21-5x13x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-13-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5bd341ef-7067-457f-b677-79251928134c.jpg?v=1781243388 Filter King 21.5x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 13 x .75" Filter King 21.5x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 13 x .75" https://hvacdirectusa.com/products/filter-king-21-5x14-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-14-5-x-75-fk21-5x14-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_87193895-798c-4195-ac60-0e66cc37c59f.jpg?v=1781243388 Filter King 21.5x14.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 14.5 x .75" - FK21.5x14.5x1A-M8 -4 Filter King 21.5x14.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 14.5 x .75" - FK21.5x14.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x14x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-14-x-75-fk21-5x14x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_32330ef1-a37b-462c-9fa3-41b16e26a0ac.jpg?v=1781243387 Filter King 21.5x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 14 x .75" - FK21.5x14x1A-M8 -4 Filter King 21.5x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 14 x .75" - FK21.5x14x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x15-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-15-5-x-75-fk21-5x15-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1f734313-ba44-4219-b16f-2f483bfc1e1f.jpg?v=1781243386 Filter King 21.5x15.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 15.5 x .75" - FK21.5x15.5x1A-M8-4 Filter King 21.5x15.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 15.5 x .75" - FK21.5x15.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-21-5x15x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-15-x-75-fk21-5x15x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6a4590ed-6d01-4072-8af0-9cbe92b4e408.jpg?v=1781243386 Filter King 21.5x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 15 x .75" - FK21.5x15x1A-M8 -4 Filter King 21.5x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 15 x .75" - FK21.5x15x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x16-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-16-5-x-75-fk21-5x16-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_640fab95-6236-4769-aca2-2071ff503f9b.jpg?v=1781243385 Filter King 21.5x16.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 16.5 x .75" - FK21.5x16.5x1A-M8 -4 Filter King 21.5x16.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 16.5 x .75" - FK21.5x16.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x16x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-16-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d83938b3-6dda-4c57-a3dd-bdf904fd37c6.jpg?v=1781243384 Filter King 21.5x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 16 x .75" Filter King 21.5x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 16 x .75" https://hvacdirectusa.com/products/filter-king-21-5x17-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-17-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c48ed64f-5bd4-494f-88f2-f311a527dd37.jpg?v=1781243383 Filter King 21.5x17.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 17.5 x .75" Filter King 21.5x17.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 17.5 x .75" https://hvacdirectusa.com/products/filter-king-21-5x17x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-17-x-75-fk21-5x17x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1aee6eae-2274-4e75-a056-3a88799c0af1.jpg?v=1781243382 Filter King 21.5x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 17 x .75" - FK21.5x17x1A-M8 -4 Filter King 21.5x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 17 x .75" - FK21.5x17x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x18-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-18-5-x-75-fk21-5x18-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_fe34947b-638f-4457-8254-19c71ffecd4e.jpg?v=1781243382 Filter King 21.5x18.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 18.5 x .75" - FK21.5x18.5x1A-M8 -4 Filter King 21.5x18.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 18.5 x .75" - FK21.5x18.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x18x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-18-x-75-fk21-5x18x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b23081d7-f171-4255-ac3e-93be86bbfa7f.jpg?v=1781243381 Filter King 21.5x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 18 x .75" - FK21.5x18x1A-M8 -4 Filter King 21.5x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 18 x .75" - FK21.5x18x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x19-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-19-5-x-75-fk21-5x19-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7a2f50c2-8559-4ec2-b91c-61e7fbe45ccf.jpg?v=1781243380 Filter King 21.5x19.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 19.5 x .75" - FK21.5x19.5x1A-M8 -4 Filter King 21.5x19.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 19.5 x .75" - FK21.5x19.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x20-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-20-5-x-75-fk21-5x20-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e2ba0884-4cf0-4cc7-9c56-dfb43e8e4d82.jpg?v=1781243379 Filter King 21.5x20.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 20.5 x .75" - FK21.5x20.5x1A-M8 - 4 Filter King 21.5x20.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 20.5 x .75" - FK21.5x20.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-21-5x20x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-20-x-75-fk21-5x20x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_87672bff-a485-4701-9485-8b4abf5c4842.jpg?v=1781243379 Filter King 21.5x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 20 x .75" - FK21.5x20x1A-M8 -4 Filter King 21.5x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 20 x .75" - FK21.5x20x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x21-5x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-21-5-x-75-fk21-5x21-5x1a-m8-3 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0fcb50dd-4733-4f2e-83ef-ba9bf4ac0292.jpg?v=1781243378 Filter King 21.5x21.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 21.5 x .75" - FK21.5x21.5x1A-M8 -3 Filter King 21.5x21.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 21.5 x .75" - FK21.5x21.5x1A-M8 -3 https://hvacdirectusa.com/products/filter-king-21-5x21-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-21-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d92f7c3b-f94c-4436-a4d8-bdeafe07e030.jpg?v=1781243377 Filter King 21.5x21.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 21.5 x .75" Filter King 21.5x21.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 21.5 x .75" https://hvacdirectusa.com/products/filter-king-21-5x21x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-21-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f9e2bda2-583c-4518-a8f9-2b25cfe2cd3b.jpg?v=1781243376 Filter King 21.5x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 21 x .75" Filter King 21.5x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 21 x .75" https://hvacdirectusa.com/products/filter-king-21-5x22-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-22-5-x-75-fk21-5x22-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1dc7c2cc-e274-4679-b1ff-f46895fae116.jpg?v=1781243375 Filter King 21.5x22.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 22.5 x .75" - FK21.5x22.5x1A-M8 -4 Filter King 21.5x22.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 22.5 x .75" - FK21.5x22.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x22x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-22-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_22f73be5-6d66-40e5-9f8d-1dd4f4f53627.jpg?v=1781243374 Filter King 21.5x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 22 x .75" Filter King 21.5x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 22 x .75" https://hvacdirectusa.com/products/filter-king-21-5x23-31x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-23-31-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0bd8e0cf-7fd0-4859-b432-fafeac4978df.jpg?v=1781243374 Filter King 21.5x23.31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 23.31 x .75" Filter King 21.5x23.31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 23.31 x .75" https://hvacdirectusa.com/products/filter-king-21-5x23x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-23-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a0affbe2-74ac-42b7-ab94-ac47240c0118.jpg?v=1781243373 Filter King 21.5x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 23 x .75" Filter King 21.5x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 23 x .75" https://hvacdirectusa.com/products/filter-king-21-5x24-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-24-5-x-75-fk21-5x24-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_57214999-c499-41cc-8fc5-27e28383011a.jpg?v=1781243372 Filter King 21.5x24.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 24.5 x .75" - FK21.5x24.5x1A-M8 -4 Filter King 21.5x24.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 24.5 x .75" - FK21.5x24.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x24x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-24-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7e29bc64-2731-4064-bf52-4e0e0600dc6c.jpg?v=1781243371 Filter King 21.5x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 24 x .75" Filter King 21.5x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 24 x .75" https://hvacdirectusa.com/products/filter-king-21-5x25-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-25-5-x-75-fk21-5x25-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3270b3e1-ff89-4b27-80f2-3664daf22e68.jpg?v=1781243371 Filter King 21.5x25.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 25.5 x .75" - FK21.5x25.5x1A-M8 -4 Filter King 21.5x25.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 25.5 x .75" - FK21.5x25.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x25x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-25-x-75-fk21-5x25x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f8538d8a-8d1c-414d-a995-233673e9c422.jpg?v=1781243370 Filter King 21.5x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 25 x .75" - FK21.5x25x1A-M8 -4 Filter King 21.5x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 25 x .75" - FK21.5x25x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x26-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-26-5-x-75-fk21-5x26-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5a33cb62-e970-4053-b86e-52d21056d2c5.jpg?v=1781243369 Filter King 21.5x26.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 26.5 x .75" - FK21.5x26.5x1A-M8 -4 Filter King 21.5x26.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 26.5 x .75" - FK21.5x26.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x27-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-27-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5d098e3e-f0f1-4023-b741-8f8d66df0f40.jpg?v=1781243368 Filter King 21.5x27.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 27.5 x .75" Filter King 21.5x27.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 27.5 x .75" https://hvacdirectusa.com/products/filter-king-21-5x27x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-27-x-75-fk21-5x27x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5f1add50-6cf6-48cf-a0eb-1cd09ad99a12.jpg?v=1781243368 Filter King 21.5x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 27 x .75" - FK21.5x27x1A-M8 -4 Filter King 21.5x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 27 x .75" - FK21.5x27x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x28-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-28-5-x-75-fk21-5x28-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a2051a8a-7f63-45ae-9ba0-bcfa59770dee.jpg?v=1781243367 Filter King 21.5x28.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 28.5 x .75" - FK21.5x28.5x1A-M8 -4 Filter King 21.5x28.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 28.5 x .75" - FK21.5x28.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x28x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-28-x-75-fk21-5x28x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f1827c21-bce5-464c-a92e-cf5fb0f9543f.jpg?v=1781243366 Filter King 21.5x28x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 28 x .75" - FK21.5x28x1A-M8 - 4 Filter King 21.5x28x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 28 x .75" - FK21.5x28x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-21-5x29-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-29-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3d5d8e4d-33f7-4597-b538-79d2c2cd4947.jpg?v=1781243363 Filter King 21.5x29.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 29.5 x .75" Filter King 21.5x29.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 29.5 x .75" https://hvacdirectusa.com/products/filter-king-21-5x29x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-29-x-75-fk21-5x29x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_373152e9-4775-4747-aa9d-c6d2878febc0.jpg?v=1781243362 Filter King 21.5x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 29 x .75" - FK21.5x29x1A-M8 -4 Filter King 21.5x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 29 x .75" - FK21.5x29x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x30x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-30-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_55212fc8-ac3f-40ea-8c19-bbd783b1d750.jpg?v=1781243361 Filter King 21.5x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 30 x .75" Filter King 21.5x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 30 x .75" https://hvacdirectusa.com/products/filter-king-21-5x31-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-31-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_37da822c-7517-4b8f-bb8a-e2ec6d9af078.jpg?v=1781243360 Filter King 21.5x31.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 31.5 x .75" Filter King 21.5x31.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 31.5 x .75" https://hvacdirectusa.com/products/filter-king-21-5x31x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-31-x-75-fk21-5x31x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_af7f7675-2833-44b6-9bc4-8c022a98bbb5.jpg?v=1781243358 Filter King 21.5x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 31 x .75" - FK21.5x31x1A-M8 -4 Filter King 21.5x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 31 x .75" - FK21.5x31x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x32-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-32-5-x-75-fk21-5x32-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_11b5ec74-b488-460b-8122-9e33ce7f126c.jpg?v=1781243357 Filter King 21.5x32.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 32.5 x .75" - FK21.5x32.5x1A-M8 -4 Filter King 21.5x32.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 32.5 x .75" - FK21.5x32.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x32x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-32-x-75-fk21-5x32x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_535ff633-c316-4201-815b-896c233b33fb.jpg?v=1781243356 Filter King 21.5x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 32 x .75" - FK21.5x32x1A-M8 -4 Filter King 21.5x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 32 x .75" - FK21.5x32x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x33-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-33-5-x-75-fk21-5x33-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3eca0596-d860-400a-8dcd-2324c4b8225a.jpg?v=1781243355 Filter King 21.5x33.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 33.5 x .75" - FK21.5x33.5x1A-M8 -4 Filter King 21.5x33.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 33.5 x .75" - FK21.5x33.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x33x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-33-x-75-fk21-5x33x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_08351d55-f8ad-4010-b9df-6124f664a01a.jpg?v=1781243354 Filter King 21.5x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 33 x .75" - FK21.5x33x1A-M8 -4 Filter King 21.5x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 33 x .75" - FK21.5x33x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x34-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-34-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e755983b-da5c-4211-9343-aeaaba5c2b2d.jpg?v=1781243353 Filter King 21.5x34.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 34.5 x .75" Filter King 21.5x34.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 34.5 x .75" https://hvacdirectusa.com/products/filter-king-21-5x34x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-34-x-75-fk21-5x34x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d8bde087-c9ea-407c-9a1a-9bfee2b9a60c.jpg?v=1781243352 Filter King 21.5x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 34 x .75" - FK21.5x34x1A-M8 -4 Filter King 21.5x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 34 x .75" - FK21.5x34x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x35-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-35-5-x-75-fk21-5x35-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8b6373db-04e8-4034-970f-0475a1e15333.jpg?v=1781243351 Filter King 21.5x35.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 35.5 x .75" - FK21.5x35.5x1A-M8-4 Filter King 21.5x35.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 35.5 x .75" - FK21.5x35.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-21-5x35x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-35-x-75-fk21-5x35x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ad6b3742-38cf-4777-930a-d75094e76ea3.jpg?v=1781243351 Filter King 21.5x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 35 x .75" - FK21.5x35x1A-M8 -4 Filter King 21.5x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 35 x .75" - FK21.5x35x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x36-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-36-5-x-75-fk21-5x36-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3daaa713-3ca8-4315-91ae-36e9a2a61b5a.jpg?v=1781243350 Filter King 21.5x36.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 36.5 x .75" - FK21.5x36.5x1A-M8 -4 Filter King 21.5x36.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 36.5 x .75" - FK21.5x36.5x1A-M8 -4 https://hvacdirectusa.com/products/21-5x36x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-36-x-75-fk21-5x36x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_750c2f13-702a-4476-a759-91fe2103fedd.jpg?v=1781243349 21.5x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 36 x .75" - FK21.5x36x1A-M8 -4 21.5x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 36 x .75" - FK21.5x36x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x37-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-37-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8de4837c-568a-43b2-a788-e28754a6d50f.jpg?v=1781243348 Filter King 21.5x37.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 37.5 x .75" Filter King 21.5x37.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 37.5 x .75" https://hvacdirectusa.com/products/filter-king-21-5x37x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-37-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e9039ea0-04cc-4ee3-ac61-644724f120ca.jpg?v=1781243347 Filter King 21.5x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 37 x .75" Filter King 21.5x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 37 x .75" https://hvacdirectusa.com/products/filter-king-21-5x38-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-38-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4a9da7a3-48dd-44ca-bd06-987a4d1532b9.jpg?v=1781243347 Filter King 21.5x38.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 38.5 x .75" Filter King 21.5x38.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 38.5 x .75" https://hvacdirectusa.com/products/filter-king-21-5x39-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-39-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2cbb4354-fd5f-4b7e-8e62-e280cbadb541.jpg?v=1781243346 Filter King 21.5x39.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 39.5 x .75" Filter King 21.5x39.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 39.5 x .75" https://hvacdirectusa.com/products/filter-king-21-5x4-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-4-5-x-75-fk21-5x4-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9ae0d0c9-c2ef-4121-9616-7bc855a3fdb6.jpg?v=1781243345 Filter King 21.5x4.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 4.5 x .75" - FK21.5x4.5x1A-M8-4 Filter King 21.5x4.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 4.5 x .75" - FK21.5x4.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-21-5x40-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-40-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_edf00412-3aa4-4800-bfe0-38d2e6734f06.jpg?v=1781243344 Filter King 21.5x40.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 40.5 x .75" Filter King 21.5x40.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 40.5 x .75" https://hvacdirectusa.com/products/filter-king-21-5x41-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-41-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_085b03b8-7ba6-460d-8675-ee0539a224ed.jpg?v=1781243344 Filter King 21.5x41.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 41.5 x .75" Filter King 21.5x41.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 41.5 x .75" https://hvacdirectusa.com/products/filter-king-21-5x41x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-41-x-75-fk21-5x41x1a-m8-5 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_52075ee6-46df-4ea8-8602-569b49959415.jpg?v=1781243343 Filter King 21.5x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 41 x .75" - FK21.5x41x1A-M8 -5 Filter King 21.5x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 41 x .75" - FK21.5x41x1A-M8 -5 https://hvacdirectusa.com/products/filter-king-21-5x42-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-42-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e29c54bf-a2f3-4336-9a15-11eb9773642e.jpg?v=1781243342 Filter King 21.5x42.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 42.5 x .75" Filter King 21.5x42.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 42.5 x .75" https://hvacdirectusa.com/products/filter-king-21-5x42x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-42-x-75-fk21-5x42x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1f98e59d-4b02-49de-a7b1-e067ea21d08a.jpg?v=1781243341 Filter King 21.5x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 42 x .75" - FK21.5x42x1A-M8 -4 Filter King 21.5x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 42 x .75" - FK21.5x42x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x43-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-43-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3c3611c7-e76b-4352-b523-74acb3599954.jpg?v=1781243341 Filter King 21.5x43.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 43.5 x .75" Filter King 21.5x43.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 43.5 x .75" https://hvacdirectusa.com/products/filter-king-21-5x43x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-43-x-75-fk21-5x43x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8d68b02a-bdd2-4376-9062-172f1c122b59.jpg?v=1781243340 Filter King 21.5x43x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 43 x .75" - FK21.5x43x1A-M8 -4 Filter King 21.5x43x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 43 x .75" - FK21.5x43x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x44-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-44-5-x-75-fk21-5x44-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3ced9d1c-ce79-465f-89f2-559a3e72da63.jpg?v=1781243339 Filter King 21.5x44.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 44.5 x .75" - FK21.5x44.5x1A-M8 - 4 Filter King 21.5x44.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 44.5 x .75" - FK21.5x44.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-21-5x44x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-44-x-75-fk21-5x44x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9f653d85-827f-467d-b71c-c5b400c8a171.jpg?v=1781243338 Filter King 21.5x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 44 x .75" - FK21.5x44x1A-M8 -4 Filter King 21.5x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 44 x .75" - FK21.5x44x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x45-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-45-5-x-75-fk21-5x45-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ca91f576-cfd6-46ea-8c40-5988f8f804ca.jpg?v=1781243337 Filter King 21.5x45.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 45.5 x .75" - FK21.5x45.5x1A-M8 -4 Filter King 21.5x45.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 45.5 x .75" - FK21.5x45.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x45x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-45-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f813f153-2abc-46a2-acbf-f880f40af10c.jpg?v=1781243337 Filter King 21.5x45x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 45 x .75" Filter King 21.5x45x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 45 x .75" https://hvacdirectusa.com/products/filter-king-21-5x46-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-46-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ade1bf90-02c0-422d-a389-731cbbe204b9.jpg?v=1781243336 Filter King 21.5x46.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 46.5 x .75" Filter King 21.5x46.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 46.5 x .75" https://hvacdirectusa.com/products/filter-king-21-5x46x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-46-x-75-fk21-5x46x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_bc03c116-9a6a-42c1-8203-99a4c437d888.jpg?v=1781243332 Filter King 21.5x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 46 x .75" - FK21.5x46x1A-M8-4 Filter King 21.5x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 46 x .75" - FK21.5x46x1A-M8-4 https://hvacdirectusa.com/products/filter-king-21-5x47-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-47-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_39169dc7-dd82-4a43-8b60-f52c427add96.jpg?v=1781243331 Filter King 21.5x47.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 47.5 x .75" Filter King 21.5x47.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 47.5 x .75" https://hvacdirectusa.com/products/filter-king-21-5x47x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-47-x-75-fk21-5x47x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4fee6155-a0ad-47a2-884b-206d8cdf7800.jpg?v=1781243329 Filter King 21.5x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 47 x .75" - FK21.5x47x1A-M8 -4 Filter King 21.5x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 47 x .75" - FK21.5x47x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x48x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-48-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e872a157-ffff-45ae-ba53-f045a4138372.jpg?v=1781243328 Filter King 21.5x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 48 x .75" Filter King 21.5x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 48 x .75" https://hvacdirectusa.com/products/filter-king-30-5x6-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-30-5-x-6-5-x-75-fk21-5x49-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d1ec04f6-2908-4b12-9d22-5d4424660be5.jpg?v=1781243328 Filter King 30.5x6.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 6.5 x .75" - FK21.5x49.5x1A-M8 -4 Filter King 30.5x6.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 30.5 x 6.5 x .75" - FK21.5x49.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x49x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-49-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f9ae7f53-0aa7-41d5-8b3d-303568cd39a9.jpg?v=1781243326 Filter King 21.5x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 49 x .75" Filter King 21.5x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 49 x .75" https://hvacdirectusa.com/products/filter-king-21-5x4x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-4-x-75-fk21-5x4x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5eb6fac4-704a-4ee3-b27d-5affbeea0991.jpg?v=1781243326 Filter King 21.5x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 4 x .75" - FK21.5x4x1A-M8 - 4 Filter King 21.5x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 4 x .75" - FK21.5x4x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-21-5x5-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-5-5-x-75-fk21-5x5-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_822bc1b4-691c-4ff6-8627-a3647b583300.jpg?v=1781243325 Filter King 21.5x5.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 5.5 x .75" - FK21.5x5.5x1A-M8 -4 Filter King 21.5x5.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 5.5 x .75" - FK21.5x5.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x50-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-50-5-x-75-fk21-5x50-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1b91b600-9f2a-4dd9-98c8-1c1fe50b34fe.jpg?v=1781243324 Filter King 21.5x50.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 50.5 x .75" - FK21.5x50.5x1A-M8 -4 Filter King 21.5x50.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 50.5 x .75" - FK21.5x50.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x50x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-50-x-75-visit-the-filter-king-store 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_40824607-1f6a-4008-b915-f1f693941e5b.jpg?v=1781243323 Filter King 21.5x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 50 x .75" Visit the Filter King Store Filter King 21.5x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 50 x .75" Visit the Filter King Store https://hvacdirectusa.com/products/filter-king-21-5x51-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-51-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_568dd13a-2716-4f6b-9526-cc153d98bb36.jpg?v=1781243322 Filter King 21.5x51.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 51.5 x .75" Filter King 21.5x51.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 51.5 x .75" https://hvacdirectusa.com/products/filter-king-21-5x52-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-52-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ef267bad-3170-423c-8811-b9119516f375.jpg?v=1781243322 Filter King 21.5x52.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 52.5 x .75" Filter King 21.5x52.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 52.5 x .75" https://hvacdirectusa.com/products/filter-king-21-5x52x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-52-x-75-fk21-5x52x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7be9e1cb-7c38-48f1-addb-a239678481c7.jpg?v=1781243321 Filter King 21.5x52x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 52 x .75" - FK21.5x52x1A-M8 - 4 Filter King 21.5x52x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 52 x .75" - FK21.5x52x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-21-5x53-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-53-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2ea17124-b87d-4f7b-8cc0-64d565591ab1.jpg?v=1781243320 Filter King 21.5x53.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 53.5 x .75" Filter King 21.5x53.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 53.5 x .75" https://hvacdirectusa.com/products/filter-king-21-5x53x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-53-x-75-fk21-5x53x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f625574e-a789-48db-8dfd-d5ae92c59dca.jpg?v=1781243319 Filter King 21.5x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 53 x .75" - FK21.5x53x1A-M8 - 4 Filter King 21.5x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 53 x .75" - FK21.5x53x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-21-5x55-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-55-5-x-75-fk21-5x55-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9c3f74dc-1618-469b-9425-add0973c3384.jpg?v=1781243318 Filter King 21.5x55.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 55.5 x .75" - FK21.5x55.5x1A-M8 -4 Filter King 21.5x55.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 55.5 x .75" - FK21.5x55.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x55x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-55-x-75-fk21-5x55x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_38cdcba7-63bd-4d31-b48e-dc774b3f0f5c.jpg?v=1781243317 Filter King 21.5x55x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 55 x .75" - FK21.5x55x1A-M8 -4 Filter King 21.5x55x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 55 x .75" - FK21.5x55x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x56-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-56-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5de292b7-ec81-4ffa-a3f2-0f62a2075af9.jpg?v=1781243316 Filter King 21.5x56.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 56.5 x .75" Filter King 21.5x56.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 56.5 x .75" https://hvacdirectusa.com/products/filter-king-21-5x57-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-57-5-x-75-fk21-5x57-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_795a7d99-97ab-477f-aac7-e66a87add767.jpg?v=1781243316 Filter King 21.5x57.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 57.5 x .75" - FK21.5x57.5x1A-M8 -4 Filter King 21.5x57.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 57.5 x .75" - FK21.5x57.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x57x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-57-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_141bf94f-9674-4702-9b0c-7a2ea48b2211.jpg?v=1781243315 Filter King 21.5x57x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 57 x .75" - Filter King 21.5x57x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 57 x .75" - https://hvacdirectusa.com/products/filter-king-21-5x58-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-58-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_95b52f41-91c1-42d5-be0b-6c3b97b156a8.jpg?v=1781243314 Filter King 21.5x58.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 58.5 x .75" Filter King 21.5x58.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 58.5 x .75" https://hvacdirectusa.com/products/filter-king-21-5x59-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-59-5-x-75 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_da664d6b-b07a-42ce-b4ba-00088f7a2a7b.jpg?v=1781243313 Filter King 21.5x59.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 59.5 x .75" Filter King 21.5x59.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 59.5 x .75" https://hvacdirectusa.com/products/filter-king-21-5x5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-5-x-75-fk21-5x5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2858c3bf-fa42-4a49-9af3-e0d0214036e2.jpg?v=1781243312 Filter King 21.5x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 5 x .75" - FK21.5x5x1A-M8 -4 Filter King 21.5x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 5 x .75" - FK21.5x5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x6-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-6-5-x-75-fk21-5x6-5x1a-m8-4 2026-07-21T15:34:55-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f94cddeb-2ba1-4caa-9687-f4f8e2480623.jpg?v=1781243312 Filter King 21.5x6.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 6.5 x .75" - FK21.5x6.5x1A-M8-4 Filter King 21.5x6.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 6.5 x .75" - FK21.5x6.5x1A-M8-4