https://hvacdirectusa.com/products/filter-king-21-5x60-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-60-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4bd52327-7ca5-406e-94b0-9a81552de5fc.jpg?v=1781243311 Filter King 21.5x60.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 60.5 x .75" Filter King 21.5x60.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 60.5 x .75" https://hvacdirectusa.com/products/filter-king-21-5x60x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-60-x-75-fk21-5x60x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_18eac40d-03c1-4b09-b8e9-6c00db12dba8.jpg?v=1781243310 Filter King 21.5x60x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 60 x .75" - FK21.5x60x1A-M8 -4 Filter King 21.5x60x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 60 x .75" - FK21.5x60x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x61-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-61-5-x-75-fk21-5x61-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_84bbd4fa-08ce-4e5e-8410-5df780e5545c.jpg?v=1781243309 Filter King 21.5x61.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 61.5 x .75" - FK21.5x61.5x1A-M8 -4 Filter King 21.5x61.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 61.5 x .75" - FK21.5x61.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x61x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-61-x-75-fk21-5x61x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_323c42e3-baaf-4c93-8d8b-2a9cc2154bbe.jpg?v=1781243308 Filter King 21.5x61x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 61 x .75" - FK21.5x61x1A-M8 - 4 Filter King 21.5x61x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 61 x .75" - FK21.5x61x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-21-5x62-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-62-5-x-75-fk21-5x62-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_765de145-0a94-44f6-ac71-5112ccaf4355.jpg?v=1781243308 Filter King 21.5x62.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 62.5 x .75" - FK21.5x62.5x1A-M8 -4 Filter King 21.5x62.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 62.5 x .75" - FK21.5x62.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x62x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-62-x-75-fk21-5x62x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_245fb7c2-3c6f-4ef8-9828-640f4104a423.jpg?v=1781243307 Filter King 21.5x62x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 62 x .75" - FK21.5x62x1A-M8 -4 Filter King 21.5x62x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 62 x .75" - FK21.5x62x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x63-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-63-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3bef738a-8784-4012-8545-495afdd54da3.jpg?v=1781243306 Filter King 21.5x63.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 63.5 x .75" Filter King 21.5x63.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 63.5 x .75" https://hvacdirectusa.com/products/filter-king-21-5x64-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-64-5-x-75-fk21-5x64-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_26b0ac20-6d53-45d9-9fc7-4165aab3dfc4.jpg?v=1781243305 Filter King 21.5x64.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 64.5 x .75" - FK21.5x64.5x1A-M8 -4 Filter King 21.5x64.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 64.5 x .75" - FK21.5x64.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x65x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-65-x-75-fk21-5x65x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_67d034be-5ef9-47d8-b891-8e4e18383b36.jpg?v=1781243304 Filter King 21.5x65x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 65 x .75" - FK21.5x65x1A-M8-4 Filter King 21.5x65x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 65 x .75" - FK21.5x65x1A-M8-4 https://hvacdirectusa.com/products/filter-king-21-5x66-5x1-air-filter-4-pack-merv-8-actual-size-21-5-x-66-5-x-75-fk21-5x66-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_993d86f1-91bd-4a09-b31c-22d7e07552af.jpg?v=1781243303 Filter King 21.5x66.5x1 Air Filter 4-PACK MERV 8 Actual Size 21.5 x 66.5 x .75" - FK21.5x66.5x1A-M8 -4 Filter King 21.5x66.5x1 Air Filter 4-PACK MERV 8 Actual Size 21.5 x 66.5 x .75" - FK21.5x66.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x66x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-66-x-75-fk21-5x66x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7848768e-0a76-4094-bd87-6572d1d7a13e.jpg?v=1781243302 Filter King 21.5x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 66 x .75" - FK21.5x66x1A-M8 -4 Filter King 21.5x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 66 x .75" - FK21.5x66x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x6x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-6-x-75-fk21-5x6x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1e0909ea-446e-4267-b319-7565913e69c2.jpg?v=1781243302 Filter King 21.5x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 6 x .75" - FK21.5x6x1A-M8-4 Filter King 21.5x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 6 x .75" - FK21.5x6x1A-M8-4 https://hvacdirectusa.com/products/filter-king-21-5x7-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-7-5-x-75-fk21-5x7-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7af92ab5-9f77-4458-b72c-f60392ec1342.jpg?v=1781243301 Filter King 21.5x7.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 7.5 x .75" - FK21.5x7.5x1A-M8 -4 Filter King 21.5x7.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 7.5 x .75" - FK21.5x7.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x8-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-8-5-x-75-fk21-5x8-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_66d268ac-ccef-433b-85e9-044850764e4f.jpg?v=1781243300 Filter King 21.5x8.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 8.5 x .75" - FK21.5x8.5x1A-M8 -4 Filter King 21.5x8.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 8.5 x .75" - FK21.5x8.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21-5x8x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-8-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8e9ce4f8-fdf8-4c19-9884-5bb91c55f715.jpg?v=1781243299 Filter King 21.5x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 8 x .75" - Filter King 21.5x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 8 x .75" - https://hvacdirectusa.com/products/filter-king-21-5x9-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-5-x-9-5-x-75-fk21-5x9-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_36ad192b-68e8-4ce4-a54f-53fd62c8aa08.jpg?v=1781243298 Filter King 21.5x9.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 9.5 x .75" - FK21.5x9.5x1A-M8 -4 Filter King 21.5x9.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 9.5 x .75" - FK21.5x9.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x10x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-10-x-75-fk21x10x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f6449390-7c28-476e-aaef-e75ff3b0ecce.jpg?v=1781243298 Filter King 21x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 10 x .75" - FK21x10x1A-M8 -4 Filter King 21x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 10 x .75" - FK21x10x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x11-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-11-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e7877261-d699-4929-b742-1957feb13930.jpg?v=1781243297 Filter King 21x11.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 11.5 x .75" Filter King 21x11.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 11.5 x .75" https://hvacdirectusa.com/products/filter-king-21x11x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-11-x-75-fk21x11x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_89a4e7ab-438f-4193-b320-37e63a0baf57.jpg?v=1781243296 Filter King 21x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 11 x .75" - FK21x11x1A-M8 -4 Filter King 21x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 11 x .75" - FK21x11x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x12-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-12-5-x-75-fk21x12-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9de1bcb1-4659-4c69-9fe7-63866f8c96e2.jpg?v=1781243295 Filter King 21x12.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 12.5 x .75" - FK21x12.5x1A-M8 -4 Filter King 21x12.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 12.5 x .75" - FK21x12.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x12x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-12-x-75-fk21x12x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7371808d-a510-44c5-863c-a85fc4b71f1b.jpg?v=1781243294 Filter King 21x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 12 x .75" - FK21x12x1A-M8 -4 Filter King 21x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 12 x .75" - FK21x12x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x13-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-13-5-x-75-fk21x13-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_42fe5c63-40aa-4d9f-9186-53c5ddb80a61.jpg?v=1781243293 Filter King 21x13.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 13.5 x .75" - FK21x13.5x1A-M8 -4 Filter King 21x13.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 13.5 x .75" - FK21x13.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x13x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-13-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5e490948-5af6-4a72-b0d5-7e88a529c2a7.jpg?v=1781243292 Filter King 21x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 13 x .75" Filter King 21x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 13 x .75" https://hvacdirectusa.com/products/filter-king-21x14-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-14-5-x-75-fk21x14-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f44ddc0e-2da0-4474-89cd-4c8553d11b0e.jpg?v=1781243292 Filter King 21x14.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 14.5 x .75" - FK21x14.5x1A-M8 -4 Filter King 21x14.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 14.5 x .75" - FK21x14.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x14x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-14-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_fe73edb5-5fac-420c-bd94-f67e3a961397.jpg?v=1781243291 Filter King 21x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 14 x .75" Filter King 21x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 14 x .75" https://hvacdirectusa.com/products/filter-king-21x15-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-15-5-x-75-fk21x15-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2647e106-f8dd-437c-adca-976a37f74e6f.jpg?v=1781243290 Filter King 21x15.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 15.5 x .75" - FK21x15.5x1A-M8 -4 Filter King 21x15.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 15.5 x .75" - FK21x15.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x15x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-15-x-75-fk21x15x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ccbd1733-e99a-4f9d-bda6-71b955c2c52e.jpg?v=1781243289 Filter King 21x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 15 x .75" - FK21x15x1A-M8 -4 Filter King 21x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 15 x .75" - FK21x15x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x16-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-16-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d4a4f73e-21c9-4bc4-a953-3fc29ad35bb0.jpg?v=1781243288 Filter King 21x16.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 16.5 x .75" Filter King 21x16.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 16.5 x .75" https://hvacdirectusa.com/products/filter-king-21x16x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-16-x-75-fk21x16x1a-m8-5 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_11eca144-7175-42a4-8201-9d52d8e1cfc7.jpg?v=1781243288 Filter King 21x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 16 x .75" - FK21x16x1A-M8 -4 Filter King 21x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 16 x .75" - FK21x16x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x17-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-17-5-x-75-fk21x17-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_aee0affa-2752-44bf-a85f-61dd38125c99.jpg?v=1781243287 Filter King 21x17.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 17.5 x .75" - FK21x17.5x1A-M8 -4 Filter King 21x17.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 17.5 x .75" - FK21x17.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x17x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-17-x-75-fk21x17x1a-m8-5 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_de2554e1-c024-4f66-a3a6-68538d752123.jpg?v=1781243286 Filter King 21x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 17 x .75" - FK21x17x1A-M8 -4 Filter King 21x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 17 x .75" - FK21x17x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x18x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-18-x-75-fk21x18x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7189c0cd-5e14-487b-9c73-aed13b9b0f8b.jpg?v=1781243285 Filter King 21x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 18 x .75" - FK21x18x1A-M8 -4 Filter King 21x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 18 x .75" - FK21x18x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x19-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-19-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_fe7de947-ac03-419f-901c-dc7d51f02008.jpg?v=1781243284 Filter King 21x19.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 19.5 x .75" Filter King 21x19.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 19.5 x .75" https://hvacdirectusa.com/products/filter-king-21x19x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-19-x-75-fk21x19x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8684c1e1-9acf-4160-b951-11801f3e0c02.jpg?v=1781243284 Filter King 21x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 19 x .75" - FK21x19x1A-M8 -4 Filter King 21x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 19 x .75" - FK21x19x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x20-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-20-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f24ca2d1-8965-4822-859c-f76fe5906a7b.jpg?v=1781243283 Filter King 21x20.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 20.5 x .75" Filter King 21x20.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 20.5 x .75" https://hvacdirectusa.com/products/filter-king-21x20x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-20-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_777ab0eb-e593-4d9a-b74a-3d28d4e9a0d9.jpg?v=1781243282 Filter King 21x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 20 x .75" Filter King 21x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 20 x .75" https://hvacdirectusa.com/products/filter-king-21x21-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-21-5-x-75-fk21x21-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_64ae9a95-6aec-4a77-be3c-d735f6b2dfb8.jpg?v=1781243281 Filter King 21x21.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 21.5 x .75" - FK21x21.5x1A-M8 -4 Filter King 21x21.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 21.5 x .75" - FK21x21.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x22-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-22-5-x-75-fk21x22-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_85ab8c1f-ee34-4782-aa5b-36a70c9bdbc4.jpg?v=1781243280 Filter King 21x22.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 22.5 x .75" - FK21x22.5x1A-M8 -4 Filter King 21x22.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 22.5 x .75" - FK21x22.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x23-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-23-5-x-75-fk21x23-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_41f0b127-d6f1-4799-99a9-2777f8e2c932.jpg?v=1781243279 Filter King 21x23.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 23.5 x .75" - FK21x23.5x1A-M8 -4 Filter King 21x23.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 23.5 x .75" - FK21x23.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x24-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-24-5-x-75-fk21x24-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5a789e6b-eaee-439b-a4d6-bec136a7e04b.jpg?v=1781243279 Filter King 21x24.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 24.5 x .75" - FK21x24.5x1A-M8 -4 Filter King 21x24.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 24.5 x .75" - FK21x24.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x24x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-24-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_fd9b6680-bcfc-45e2-91ee-7eeeeef13426.jpg?v=1781243278 Filter King 21x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 24 x .75" Filter King 21x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 24 x .75" https://hvacdirectusa.com/products/filter-king-21x25-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-25-5-x-75-fk21x25-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_dd5fe3b6-e92e-449b-ac31-b3668e1dde74.jpg?v=1781243277 Filter King 21x25.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 25.5 x .75" - FK21x25.5x1A-M8 -4 Filter King 21x25.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 25.5 x .75" - FK21x25.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x26-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-26-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e0fa5297-732b-44cb-bf92-535f0acf92a7.jpg?v=1781243276 Filter King 21x26.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 26.5 x .75" Filter King 21x26.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 26.5 x .75" https://hvacdirectusa.com/products/filter-king-21x26x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-26-x-75-fk21x26x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_493992d7-e323-4fa4-aae5-29707032bce5.jpg?v=1781243275 Filter King 21x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 26 x .75" - FK21x26x1A-M8 -4 Filter King 21x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 26 x .75" - FK21x26x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x27-5x1-air-filter-4-pack-merv-8-actual-size-21-x-27-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_458a1475-7ef0-4fbb-965f-b2b4d348ce6f.jpg?v=1781243275 Filter King 21x27.5x1 Air Filter 4-PACK MERV 8 Actual Size 21 x 27.5 x .75" Filter King 21x27.5x1 Air Filter 4-PACK MERV 8 Actual Size 21 x 27.5 x .75" https://hvacdirectusa.com/products/filter-king-23x65x1-air-filter-4-pack-merv-8-actual-size-23-x-65-x-75-fk21x27x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b187b75e-58d6-4121-a640-24773d986732.jpg?v=1781243274 Filter King 23x65x1 Air Filter 4-PACK MERV 8 Actual Size 23 x 65 x .75" - FK21x27x1A-M8 -4 Filter King 23x65x1 Air Filter 4-PACK MERV 8 Actual Size 23 x 65 x .75" - FK21x27x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x28-5x1-air-filter-4-pack-merv-8-actual-size-21-x-28-5-x-75-fk21x28-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7a01dd0b-5a47-4d91-91a2-6c64c3198aa1.jpg?v=1781243273 Filter King 21x28.5x1 Air Filter 4-PACK MERV 8 Actual Size 21 x 28.5 x .75" - FK21x28.5x1A-M8 -4 Filter King 21x28.5x1 Air Filter 4-PACK MERV 8 Actual Size 21 x 28.5 x .75" - FK21x28.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x28x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-28-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9c3cd528-b579-463e-bddd-6e5bbaa2592c.jpg?v=1781243273 Filter King 21x28x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 28 x .75" Filter King 21x28x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 28 x .75" https://hvacdirectusa.com/products/filter-king-21x29-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-29-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0e63083c-a3f5-49c8-bcce-1a0a527b5b99.jpg?v=1781243272 Filter King 21x29.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 29.5 x .75" Filter King 21x29.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 29.5 x .75" https://hvacdirectusa.com/products/filter-king-21x29x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-29-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5f66c020-3cfd-4aca-a6ee-4ab4d4efa070.jpg?v=1781243271 Filter King 21x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 29 x .75" Filter King 21x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 29 x .75" https://hvacdirectusa.com/products/filter-king-21x30-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-30-5-x-75-fk21x30-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_78c0fe12-b60e-4a1a-ad98-ee0d7cf2eb29.jpg?v=1781243270 Filter King 21x30.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 30.5 x .75" - FK21x30.5x1A-M8 -4 Filter King 21x30.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 30.5 x .75" - FK21x30.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x30x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-30-x-75-fk21x30x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_85275f29-2f96-463a-8a49-2bdc4338ad66.jpg?v=1781243269 Filter King 21x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 30 x .75" - FK21x30x1A-M8 -4 Filter King 21x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 30 x .75" - FK21x30x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x31-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-31-5-x-75-fk21x31-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6c5b5182-e6eb-4213-8c1a-c9d939a9143a.jpg?v=1781243268 Filter King 21x31.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 31.5 x .75" - FK21x31.5x1A-M8 -4 Filter King 21x31.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 31.5 x .75" - FK21x31.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x31x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-31-x-75-fk21x31x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2173f1c8-a30a-488e-822a-0635fdab4cfe.jpg?v=1781243267 Filter King 21x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 31 x .75" - FK21x31x1A-M8 -4 Filter King 21x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 31 x .75" - FK21x31x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x32-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-32-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b9be6f95-ba41-4994-81f4-3fbf70e450bf.jpg?v=1781243266 Filter King 21x32.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 32.5 x .75" Filter King 21x32.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 32.5 x .75" https://hvacdirectusa.com/products/filter-king-21x32x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-32-x-75-fk21x32x1a-m8-5 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8de942ac-4980-4b9d-87ad-e0cf242f922b.jpg?v=1781243266 Filter King 21x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 32 x .75" - FK21x32x1A-M8 -4 Filter King 21x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 32 x .75" - FK21x32x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x33-5x1-air-filter-4-pack-merv-8-actual-size-21-x-33-5-x-75-fk21x33-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6514315c-f3c4-47a4-91fd-3845dbc0dac0.jpg?v=1781243269 Filter King 21x33.5x1 Air Filter 4-PACK MERV 8 Actual Size 21 x 33.5 x .75" - FK21x33.5x1A-M8 -4 Filter King 21x33.5x1 Air Filter 4-PACK MERV 8 Actual Size 21 x 33.5 x .75" - FK21x33.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x33x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-33-x-75-fk21x33x1a-m8-5 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4537240c-021d-4e63-988c-04f71bd073d4.jpg?v=1781243264 Filter King 21x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 33 x .75" - FK21x33x1A-M8 -4 Filter King 21x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 33 x .75" - FK21x33x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x34-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-34-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_377860d0-8da1-4b9a-9297-cebdd315d2eb.jpg?v=1781243263 Filter King 21x34.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 34.5 x .75" Filter King 21x34.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 34.5 x .75" https://hvacdirectusa.com/products/filter-king-21x34x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-34-x-75-fk21x34x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5eeb07e3-9b9f-4c50-b269-3a207edc3c99.jpg?v=1781243262 Filter King 21x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 34 x .75" - FK21x34x1A-M8 -4 Filter King 21x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 34 x .75" - FK21x34x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x35x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-35-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d4a99f58-d26d-4870-a3f6-cb681c77e8ef.jpg?v=1781243261 Filter King 21x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 35 x .75" Filter King 21x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 35 x .75" https://hvacdirectusa.com/products/filter-king-21x36-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-36-5-x-75-fk21x36-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4cc22755-fbaa-46f6-a257-d801d6a49969.jpg?v=1781243260 Filter King 21x36.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 36.5 x .75" - FK21x36.5x1A-M8 -4 Filter King 21x36.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 36.5 x .75" - FK21x36.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x36x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-36-x-75-fk21x36x1a-m8-5 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5583eeb3-1d6e-46f5-aa84-6939a14ca9a8.jpg?v=1781243260 Filter King 21x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 36 x .75" - FK21x36x1A-M8 -4 Filter King 21x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 36 x .75" - FK21x36x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x37x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-37-x-75-fk21x37x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_00c5f9a5-1731-4b21-ac33-9e60a5ac84e6.jpg?v=1781243259 Filter King 21x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 37 x .75" - FK21x37x1A-M8-4 Filter King 21x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 37 x .75" - FK21x37x1A-M8-4 https://hvacdirectusa.com/products/filter-king-21x38-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-38-5-x-75-fk21x38-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_51f5a607-ae41-4ee4-a8c0-8b0cfd4afab6.jpg?v=1781243258 Filter King 21x38.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 38.5 x .75" - FK21x38.5x1A-M8 -4 Filter King 21x38.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 38.5 x .75" - FK21x38.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x38x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-38-x-75-fk21x38x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e6603cca-994b-4a59-9a50-f4c65933c947.jpg?v=1781243257 Filter King 21x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 38 x .75" - FK21x38x1A-M8 -4 Filter King 21x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 38 x .75" - FK21x38x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x39-5x1-air-filter-4-pack-merv-8-actual-size-21-x-39-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3cfd770f-4c99-4f4d-8e7f-cdfceccd028e.jpg?v=1781243256 Filter King 21x39.5x1 Air Filter 4-PACK MERV 8 Actual Size 21 x 39.5 x .75" Filter King 21x39.5x1 Air Filter 4-PACK MERV 8 Actual Size 21 x 39.5 x .75" https://hvacdirectusa.com/products/filter-king-21x39x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-39-x-75-fk21x39x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a2e140f9-cb50-4e23-ab09-b0489b6e3fe4.jpg?v=1781243255 Filter King 21x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 39 x .75" - FK21x39x1A-M8 -4 Filter King 21x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 39 x .75" - FK21x39x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x4-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-4-5-x-75-fk21x4-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_09aae4a1-3352-4d1c-b2cc-d96246c09bba.jpg?v=1781243255 Filter King 21x4.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 4.5 x .75" - FK21x4.5x1A-M8 -4 Filter King 21x4.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 4.5 x .75" - FK21x4.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x40x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-40-x-75-fk21x40x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7a3dca48-d572-4a97-9e1f-e5026a0bfef8.jpg?v=1781243254 Filter King 21x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 40 x .75" - FK21x40x1A-M8 -4 Filter King 21x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 40 x .75" - FK21x40x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x41-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-41-5-x-75-fk21x41-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0d3bd1f2-5292-41d7-98cc-7467387a5310.jpg?v=1781243253 Filter King 21x41.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 41.5 x .75" - FK21x41.5x1A-M8 -4 Filter King 21x41.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 41.5 x .75" - FK21x41.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x41x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-41-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b9aa18a9-940e-4e36-9505-724f640d34d8.jpg?v=1781243252 Filter King 21x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 41 x .75" Filter King 21x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 41 x .75" https://hvacdirectusa.com/products/filter-king-21x42-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-42-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_eaffa52f-ffbe-40f3-b524-85f68a486b02.jpg?v=1781243251 Filter King 21x42.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 42.5 x .75" Filter King 21x42.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 42.5 x .75" https://hvacdirectusa.com/products/filter-king-21x42x1-air-filter-4-pack-merv-8-actual-size-21-x-42-x-75-fk21x42x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_be95d977-3c98-4152-a2a5-cc2367f6f165.jpg?v=1781243251 Filter King 21x42x1 Air Filter 4-PACK MERV 8 Actual Size 21 x 42 x .75" - FK21x42x1A-M8-4 Filter King 21x42x1 Air Filter 4-PACK MERV 8 Actual Size 21 x 42 x .75" - FK21x42x1A-M8-4 https://hvacdirectusa.com/products/filter-king-21x43-5x1-air-filter-4-pack-merv-8-actual-size-21-x-43-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_190bb12d-c930-4997-9313-ae8d8258f71a.jpg?v=1781243250 Filter King 21x43.5x1 Air Filter 4-PACK MERV 8 Actual Size 21 x 43.5 x .75" Filter King 21x43.5x1 Air Filter 4-PACK MERV 8 Actual Size 21 x 43.5 x .75" https://hvacdirectusa.com/products/filter-king-21x43x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-43-x-75-fk21x43x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1e889bfd-711b-473d-b950-c0384be0b7ab.jpg?v=1781243249 Filter King 21x43x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 43 x .75" - FK21x43x1A-M8 -4 Filter King 21x43x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 43 x .75" - FK21x43x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x44-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-44-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_968d55df-d112-4762-9191-162f3decfa01.jpg?v=1781243241 Filter King 21x44.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 44.5 x .75" Filter King 21x44.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 44.5 x .75" https://hvacdirectusa.com/products/filter-king-21x44x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-44-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_068f127a-99d9-41b7-9105-33be2cc8b2ee.jpg?v=1781243240 Filter King 21x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 44 x .75" Filter King 21x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 44 x .75" https://hvacdirectusa.com/products/filter-king-21x45x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-45-x-75-fk21x45x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0ccacf3a-85ea-4830-8bbf-f730a6b2057e.jpg?v=1781243239 Filter King 21x45x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 45 x .75" - FK21x45x1A-M8 -4 Filter King 21x45x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 45 x .75" - FK21x45x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x46x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-46-x-75-fk21x46x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ab5a6bbc-bbe7-4952-8d2b-210d5e31d1ee.jpg?v=1781243239 Filter King 21x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 46 x .75" - FK21x46x1A-M8 -4 Filter King 21x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 46 x .75" - FK21x46x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x47-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-47-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_34f288ca-c5e5-4bb7-a923-c434890b940e.jpg?v=1781243238 Filter King 21x47.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 47.5 x .75" Filter King 21x47.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 47.5 x .75" https://hvacdirectusa.com/products/filter-king-21x47x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-47-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_fae6bc37-dd64-4220-b04a-9f10cab86d3b.jpg?v=1781243237 Filter King 21x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 47 x .75" Filter King 21x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 47 x .75" https://hvacdirectusa.com/products/filter-king-21x48-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-48-5-x-75-fk21x48-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_02580c85-a2e6-442c-8ae7-70d923f83f09.jpg?v=1781243236 Filter King 21x48.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 48.5 x .75" - FK21x48.5x1A-M8 -4 Filter King 21x48.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 48.5 x .75" - FK21x48.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x48x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-48-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c7d7b44e-2e57-4599-9e43-c28e37ee4b3a.jpg?v=1781243236 Filter King 21x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 48 x .75" Filter King 21x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 48 x .75" https://hvacdirectusa.com/products/filter-king-21x49-5x1-air-filter-4-pack-merv-8-actual-size-21-x-49-5-x-75-fk21x49-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4986f533-87a3-461c-8ce8-221fe9e62f02.jpg?v=1781243235 Filter King 21x49.5x1 Air Filter 4-PACK MERV 8 Actual Size 21 x 49.5 x .75" - FK21x49.5x1A-M8 -4 Filter King 21x49.5x1 Air Filter 4-PACK MERV 8 Actual Size 21 x 49.5 x .75" - FK21x49.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x49x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-49-x-75-fk21x49x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d137f5e1-4f02-4c4b-a1e4-2d185a70906f.jpg?v=1781243234 Filter King 21x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 49 x .75" - FK21x49x1A-M8 -4 Filter King 21x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 49 x .75" - FK21x49x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x4x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-4-x-75-fk21x4x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_183ae5eb-40c8-45ed-b663-94fbf9540733.jpg?v=1781243234 Filter King 21x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 4 x .75" - FK21x4x1A-M8 -4 Filter King 21x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 4 x .75" - FK21x4x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x5-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-5-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a14a3fdb-e405-41b5-ba6c-0330dd7a94ce.jpg?v=1781243233 Filter King 21x5.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 5.5 x .75" Filter King 21x5.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 5.5 x .75" https://hvacdirectusa.com/products/filter-king-21x50-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-50-5-x-75-fk21x50-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_13207904-5aec-40ac-8a93-f7d1da2f71e4.jpg?v=1781243232 Filter King 21x50.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 50.5 x .75" - FK21x50.5x1A-M8 -4 Filter King 21x50.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 50.5 x .75" - FK21x50.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x50x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-50-x-75-fk21x50x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c3e7c934-aa03-494d-a408-b4a44d1a5b94.jpg?v=1781243231 Filter King 21x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 50 x .75" - FK21x50x1A-M8 -4 Filter King 21x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 50 x .75" - FK21x50x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x51x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-51-x-75-fk21x51x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_efbfdb74-494a-460b-a14e-3616a8e05951.jpg?v=1781243230 Filter King 21x51x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 51 x .75" - FK21x51x1A-M8 -4 Filter King 21x51x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 51 x .75" - FK21x51x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x52-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-52-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_316e07be-3a67-4847-8e43-9d08e83a700f.jpg?v=1781243230 Filter King 21x52.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 52.5 x .75" Filter King 21x52.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 52.5 x .75" https://hvacdirectusa.com/products/filter-king-21x52x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-52-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_06897723-9454-4c3c-8a07-19fca9a4a97c.jpg?v=1781243230 Filter King 21x52x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 52 x .75" Filter King 21x52x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 52 x .75" https://hvacdirectusa.com/products/filter-king-21x53-5x1-air-filter-4-pack-merv-8-actual-size-21-x-53-5-x-75-fk21x53-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d9ce4fb0-2053-4bf7-b212-ac9cfa48174d.jpg?v=1781243229 Filter King 21x53.5x1 Air Filter 4-PACK MERV 8 Actual Size 21 x 53.5 x .75" - FK21x53.5x1A-M8 -4 Filter King 21x53.5x1 Air Filter 4-PACK MERV 8 Actual Size 21 x 53.5 x .75" - FK21x53.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x54-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-54-5-x-75-fk21x54-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_558d5054-b2d6-4141-ac0c-f2fd16ab6aed.jpg?v=1781243228 Filter King 21x54.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 54.5 x .75" - FK21x54.5x1A-M8 - 4 Filter King 21x54.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 54.5 x .75" - FK21x54.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-21x55-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-55-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_bed7659e-88b2-4477-869d-27469bbf256b.jpg?v=1781243227 Filter King 21x55.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 55.5 x .75" Filter King 21x55.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 55.5 x .75" https://hvacdirectusa.com/products/filter-king-21x55x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-55-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7cae5d1d-5f45-452e-8cd7-a84888718c58.jpg?v=1781243226 Filter King 21x55x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 55 x .75" Filter King 21x55x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 55 x .75" https://hvacdirectusa.com/products/filter-king-21x56-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-56-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_902f79fd-183c-4d33-9c1c-51bc6d1a97e9.jpg?v=1781243226 Filter King 21x56.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 56.5 x .75" Filter King 21x56.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 56.5 x .75" https://hvacdirectusa.com/products/filter-king-21x57-5x1-air-filter-4-pack-merv-8-actual-size-21-x-57-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_baf35b2e-da95-495d-a4a4-179fdbc1399f.jpg?v=1781243225 Filter King 21x57.5x1 Air Filter 4-PACK MERV 8 Actual Size 21 x 57.5 x .75" Filter King 21x57.5x1 Air Filter 4-PACK MERV 8 Actual Size 21 x 57.5 x .75" https://hvacdirectusa.com/products/filter-king-21x57x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-57-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ac30d2c4-9d6b-4c71-92cf-67dd877d45a7.jpg?v=1781243224 Filter King 21x57x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 57 x .75" Filter King 21x57x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 57 x .75" https://hvacdirectusa.com/products/filter-king-21x58-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-58-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ebd278a9-c955-4142-b9b3-3297e1fdd9b1.jpg?v=1781243223 Filter King 21x58.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 58.5 x .75" Filter King 21x58.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 58.5 x .75" https://hvacdirectusa.com/products/filter-king-21x58x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-58-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_62de76e6-1592-484f-81a6-7d5113505f2c.jpg?v=1781243223 Filter King 21x58x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 58 x .75" Filter King 21x58x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 58 x .75" https://hvacdirectusa.com/products/filter-king-21x59-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-59-5-x-75-fk21x59-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_050c1b6c-bd72-43a9-b3a6-190b330c3be4.jpg?v=1781243222 Filter King 21x59.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 59.5 x .75" - FK21x59.5x1A-M8-4 Filter King 21x59.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 59.5 x .75" - FK21x59.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-21x5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-5-x-75-fk21x5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_834dbe6e-363a-45f5-88f1-f00fc7d61336.jpg?v=1781243221 Filter King 21x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 5 x .75" - FK21x5x1A-M8 -4 Filter King 21x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 5 x .75" - FK21x5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x6-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-6-5-x-75-fk21x6-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d267aa71-ebce-43fa-8c22-19cf005a3ae6.jpg?v=1781243221 Filter King 21x6.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 6.5 x .75" - FK21x6.5x1A-M8 -4 Filter King 21x6.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 6.5 x .75" - FK21x6.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x60-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-60-5-x-75-fk21x60-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4e92baf5-1d1c-4c6f-a338-f5abb15c0034.jpg?v=1781243220 Filter King 21x60.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 60.5 x .75" - FK21x60.5x1A-M8 -4 Filter King 21x60.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 60.5 x .75" - FK21x60.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x60x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-60-x-75-fk21x60x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7ae755fa-b6a6-45e9-85bc-3c4dbc0105e7.jpg?v=1781243219 Filter King 21x60x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 60 x .75" - FK21x60x1A-M8 -4 Filter King 21x60x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 60 x .75" - FK21x60x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x61-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-61-5-x-75-fk21x61-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c60acbea-cd16-4c80-8e32-29e4c69ee6ef.jpg?v=1781243218 Filter King 21x61.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 61.5 x .75" - FK21x61.5x1A-M8 -4 Filter King 21x61.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 61.5 x .75" - FK21x61.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x61x1-air-filter-4-pack-merv-8-actual-size-21-x-61-x-75-fk21x61x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4d86876b-58ab-431a-b399-01793e6036fa.jpg?v=1781243218 Filter King 21x61x1 Air Filter 4-PACK MERV 8 Actual Size 21 x 61 x .75" - FK21x61x1A-M8 -4 Filter King 21x61x1 Air Filter 4-PACK MERV 8 Actual Size 21 x 61 x .75" - FK21x61x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x62-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-62-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5c4954d7-d188-4bcf-9ec9-25a77656d672.jpg?v=1781243217 Filter King 21x62.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 62.5 x .75" Filter King 21x62.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 62.5 x .75" https://hvacdirectusa.com/products/filter-king-21x62x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-62-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a697cedc-4dd8-4423-8388-2a02df8f3bd6.jpg?v=1781243216 Filter King 21x62x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 62 x .75" Filter King 21x62x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 62 x .75" https://hvacdirectusa.com/products/filter-king-21x63-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-63-5-x-75-fk21x63-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e7039e5f-39be-4b12-9724-e3b95a1f2549.jpg?v=1781243216 Filter King 21x63.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 63.5 x .75" - FK21x63.5x1A-M8 -4 Filter King 21x63.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 63.5 x .75" - FK21x63.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x63x1-air-filter-4-pack-merv-8-actual-size-21-x-63-x-75-fk21x63x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2bbe9d00-ddd6-4e00-924a-af56f31a8464.jpg?v=1781243215 Filter King 21x63x1 Air Filter 4-PACK MERV 8 Actual Size 21 x 63 x .75" - FK21x63x1A-M8 -4 Filter King 21x63x1 Air Filter 4-PACK MERV 8 Actual Size 21 x 63 x .75" - FK21x63x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x64-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-64-5-x-75-fk21x64-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0d0d4480-cf49-497e-acf9-f5115c6df906.jpg?v=1781243214 Filter King 21x64.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 64.5 x .75" - FK21x64.5x1A-M8 -4 Filter King 21x64.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 64.5 x .75" - FK21x64.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x64x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-64-x-75-fk21x64x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f65e1d99-c75e-414b-8b78-5ba33e406737.jpg?v=1781243214 Filter King 21x64x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 64 x .75" - FK21x64x1A-M8 -4 Filter King 21x64x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 64 x .75" - FK21x64x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x65-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-65-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c7ad07a9-63ec-4977-a7b8-6622c6d4755d.jpg?v=1781243213 Filter King 21x65.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 65.5 x .75" Filter King 21x65.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 65.5 x .75" https://hvacdirectusa.com/products/filter-king-21x65x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-65-x-75-fk21x65x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2119b9d8-267c-4f82-8df6-5785b7a87482.jpg?v=1781243212 Filter King 21x65x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 65 x .75" - FK21x65x1A-M8 -4 Filter King 21x65x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 65 x .75" - FK21x65x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x66-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-66-5-x-75-fk21x66-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2e3b7c1c-45af-4ec7-8ee6-95723d7936a5.jpg?v=1781243212 Filter King 21x66.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 66.5 x .75" - FK21x66.5x1A-M8 -4 Filter King 21x66.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 66.5 x .75" - FK21x66.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x66x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-66-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ba5bbaf9-110d-4406-94bf-07cf664a9266.jpg?v=1781243211 Filter King 21x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 66 x .75" Filter King 21x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 66 x .75" https://hvacdirectusa.com/products/filter-king-21x6x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-6-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ed10fa20-af2e-465b-9e45-40c675ceea8b.jpg?v=1781243210 Filter King 21x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 6 x .75" Filter King 21x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 6 x .75" https://hvacdirectusa.com/products/filter-king-21x7-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-7-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d06efade-5591-44d8-bd78-efc7ce749c5c.jpg?v=1781243209 Filter King 21x7.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 7.5 x .75" Filter King 21x7.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 7.5 x .75" https://hvacdirectusa.com/products/filter-king-21x7x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-7-x-75-fk21x7x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_04100ca0-0c19-4a43-92ea-a651a2c88831.jpg?v=1781243208 Filter King 21x7x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 7 x .75" - FK21x7x1A-M8 -4 Filter King 21x7x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 7 x .75" - FK21x7x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x8-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-8-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9eee7a9e-ff48-4167-a743-a4c7c4345448.jpg?v=1781243208 Filter King 21x8.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 8.5 x .75" Filter King 21x8.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 8.5 x .75" https://hvacdirectusa.com/products/filter-king-21x8x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-8-x-75-fk21x8x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3950f637-0013-445e-b992-1d80965c750d.jpg?v=1781243207 Filter King 21x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 8 x .75" - FK21x8x1A-M8 -4 Filter King 21x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 8 x .75" - FK21x8x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x9-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-9-5-x-75-fk21x9-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d9ca4413-20ef-4fc0-8277-0f0843f5846d.jpg?v=1781243206 Filter King 21x9.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 9.5 x .75" - FK21x9.5x1A-M8 -4 Filter King 21x9.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 9.5 x .75" - FK21x9.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-21x9x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-21-x-9-x-75-fk21x9x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_fc8d8381-228b-4fb8-b571-d61345f166d0.jpg?v=1781243205 Filter King 21x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 9 x .75" - FK21x9x1A-M8 -4 Filter King 21x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 9 x .75" - FK21x9x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x11-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-11-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6c096237-3971-4ae2-aaaa-3230f9af9d01.jpg?v=1781243205 Filter King 22.5x11.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 11.5 x .75" Filter King 22.5x11.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 11.5 x .75" https://hvacdirectusa.com/products/filter-king-22-5x12-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-12-5-x-75-fk22-5x12-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_07cbb687-8a06-4d8d-a17f-db15dcfb8a21.jpg?v=1781243204 Filter King 22.5x12.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 12.5 x .75" - FK22.5x12.5x1A-M8 -4 Filter King 22.5x12.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 12.5 x .75" - FK22.5x12.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x12x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-12-x-75-fk22-5x12x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_eeb72d01-9cfc-4503-aa7f-d854e5530275.jpg?v=1781243203 Filter King 22.5x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 12 x .75" - FK22.5x12x1A-M8 -4 Filter King 22.5x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 12 x .75" - FK22.5x12x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x13-5x1-air-filter-4-pack-merv-8-actual-size-22-5-x-13-5-x-75-fk22-5x13-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f5b61bae-e4de-4e48-8793-afe668f0c01d.jpg?v=1781243203 Filter King 22.5x13.5x1 Air Filter 4-PACK MERV 8 Actual Size 22.5 x 13.5 x .75" - FK22.5x13.5x1A-M8 -4 Filter King 22.5x13.5x1 Air Filter 4-PACK MERV 8 Actual Size 22.5 x 13.5 x .75" - FK22.5x13.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x13x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-13-x-75-fk22-5x13x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0b260efe-1fcf-4161-89f9-8c9455f03b34.jpg?v=1781243202 Filter King 22.5x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 13 x .75" - FK22.5x13x1A-M8 -4 Filter King 22.5x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 13 x .75" - FK22.5x13x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x14-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-14-5-x-75-fk22-5x14-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_72a71281-d782-4f0e-805f-1916a0b55a1a.jpg?v=1781243201 Filter King 22.5x14.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 14.5 x .75" - FK22.5x14.5x1A-M8 -4 Filter King 22.5x14.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 14.5 x .75" - FK22.5x14.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x14x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-14-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7de0148e-ee26-4fe7-a54d-9e945fc82fed.jpg?v=1781243200 Filter King 22.5x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 14 x .75" Filter King 22.5x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 14 x .75" https://hvacdirectusa.com/products/filter-king-22-5x15-5x1-air-filter-4-pack-merv-8-actual-size-22-5-x-15-5-x-75-fk22-5x15-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f68fe0f5-a66a-4abc-875e-770d8c832d86.jpg?v=1781243200 Filter King 22.5x15.5x1 Air Filter 4-PACK MERV 8 Actual Size 22.5 x 15.5 x .75" - FK22.5x15.5x1A-M8 -4 Filter King 22.5x15.5x1 Air Filter 4-PACK MERV 8 Actual Size 22.5 x 15.5 x .75" - FK22.5x15.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x15x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-15-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ae71e639-802b-4560-80d3-3493ed6239c0.jpg?v=1781243199 Filter King 22.5x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 15 x .75" Filter King 22.5x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 15 x .75" https://hvacdirectusa.com/products/filter-king-22-5x16-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-16-5-x-75-fk22-5x16-5x1a-m8 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c0d24e0e-1e42-4062-aecf-7d6cb41cc3cf.jpg?v=1781243198 Filter King 22.5x16.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 16.5 x .75" - FK22.5x16.5x1A-M8 Filter King 22.5x16.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 16.5 x .75" - FK22.5x16.5x1A-M8 https://hvacdirectusa.com/products/filter-king-22-5x16x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-16-x-75-fk22-5x16x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_245c20c9-34a7-495a-bc12-74d3d14750f5.jpg?v=1781243197 Filter King 22.5x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 16 x .75" - FK22.5x16x1A-M8 -4 Filter King 22.5x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 16 x .75" - FK22.5x16x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x17-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-17-5-x-75-fk22-5x17-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b0bf1b6d-900b-421a-b7e3-ae4fbda6a1b0.jpg?v=1781243197 Filter King 22.5x17.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 17.5 x .75" - FK22.5x17.5x1A-M8 -4 Filter King 22.5x17.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 17.5 x .75" - FK22.5x17.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x17x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-17-x-75-fk22-5x17x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_dd1e708b-0287-45a4-ab32-b3eacb9498cc.jpg?v=1781243196 Filter King 22.5x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 17 x .75" - FK22.5x17x1A-M8 -4 Filter King 22.5x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 17 x .75" - FK22.5x17x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x18-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-18-5-x-75-fk22-5x18-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6c902c84-562d-4791-a3ad-9800f327a133.jpg?v=1781243195 Filter King 22.5x18.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 18.5 x .75" - FK22.5x18.5x1A-M8 -4 Filter King 22.5x18.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 18.5 x .75" - FK22.5x18.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x18x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-18-x-75-fk22-5x18x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4861b987-4e17-4491-b0aa-f04030909fca.jpg?v=1781243194 Filter King 22.5x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 18 x .75" - FK22.5x18x1A-M8 -4 Filter King 22.5x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 18 x .75" - FK22.5x18x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x8x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-8-x-75-fk22-5x18x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_33c72313-e589-4012-8dc8-e71f0a9176b5.jpg?v=1781243194 Filter King 22.5x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 8 x .75" - FK22.5x18x1A-M8-4 Filter King 22.5x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 8 x .75" - FK22.5x18x1A-M8-4 https://hvacdirectusa.com/products/filter-king-22-5x19-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-19-5-x-75-fk22-5x19-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4466ccc6-de3f-42db-b85e-f3019e3d16bf.jpg?v=1781243193 Filter King 22.5x19.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 19.5 x .75" - FK22.5x19.5x1A-M8 -4 Filter King 22.5x19.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 19.5 x .75" - FK22.5x19.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x19x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-19-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_17102ab0-8fb5-4662-a224-1917508cbc43.jpg?v=1781243192 Filter King 22.5x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 19 x .75" Filter King 22.5x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 19 x .75" https://hvacdirectusa.com/products/filter-king-22-5x20-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-20-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_57cb311d-312c-4ec3-9cbb-e74bf8330148.jpg?v=1781243192 Filter King 22.5x20.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 20.5 x .75" Filter King 22.5x20.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 20.5 x .75" https://hvacdirectusa.com/products/filter-king-22-5x20x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-20-x-75-fk22-5x20x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_394c7b4e-b101-42eb-9112-912f6266b30c.jpg?v=1781243191 Filter King 22.5x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 20 x .75" - FK22.5x20x1A-M8 -4 Filter King 22.5x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 20 x .75" - FK22.5x20x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x21-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-21-5-x-75-fk22-5x21-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a52d4155-81a1-48c8-91da-f7b1d4563279.jpg?v=1781243190 Filter King 22.5x21.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 21.5 x .75" - FK22.5x21.5x1A-M8 -4 Filter King 22.5x21.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 21.5 x .75" - FK22.5x21.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x21x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-21-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_01082276-5ce9-4ba8-b2e1-955a30807492.jpg?v=1781243190 Filter King 22.5x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 21 x .75" Filter King 22.5x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 21 x .75" https://hvacdirectusa.com/products/filter-king-22-5x22-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-22-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_01f7d87d-a3ab-420d-8d50-ecc559c8c9c7.jpg?v=1781243189 Filter King 22.5x22.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 22.5 x .75" Filter King 22.5x22.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 22.5 x .75" https://hvacdirectusa.com/products/filter-king-22-5x22x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-22-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1e4d7d88-9eca-4338-9ed7-e4a354e6dbc6.jpg?v=1781243188 Filter King 22.5x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 22 x .75" - Filter King 22.5x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 22 x .75" - https://hvacdirectusa.com/products/filter-king-22-5x23-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-23-5-x-75-fk22-5x23-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2105c954-d86d-4ebf-b24d-c442fc4d4fde.jpg?v=1781243188 Filter King 22.5x23.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 23.5 x .75" - FK22.5x23.5x1A-M8 -4 Filter King 22.5x23.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 23.5 x .75" - FK22.5x23.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x23x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-23-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e5f77705-493f-4ddf-b0fd-93859b8bbb8c.jpg?v=1781243187 Filter King 22.5x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 23 x .75" Filter King 22.5x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 23 x .75" https://hvacdirectusa.com/products/filter-king-22-5x24-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-24-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1da87e06-8f01-4a74-8df4-6ce5cd1dda77.jpg?v=1781243186 Filter King 22.5x24.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 24.5 x .75" Filter King 22.5x24.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 24.5 x .75" https://hvacdirectusa.com/products/filter-king-22-5x24x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-24-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_aeb99401-b2a4-403c-8d77-6e22e24c131d.jpg?v=1781243185 Filter King 22.5x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 24 x .75" Filter King 22.5x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 24 x .75" https://hvacdirectusa.com/products/filter-king-22-5x25-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-25-5-x-75-fk22-5x25-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f8711fde-6ecf-4d3e-9d30-64607fa26433.jpg?v=1781243185 Filter King 22.5x25.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 25.5 x .75" - FK22.5x25.5x1A-M8 -4 Filter King 22.5x25.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 25.5 x .75" - FK22.5x25.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x25x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-25-x-75-fk22-5x25x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_62e0a6cb-3a36-476c-b60c-257a5046efe4.jpg?v=1781243184 Filter King 22.5x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 25 x .75" - FK22.5x25x1A-M8 -4 Filter King 22.5x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 25 x .75" - FK22.5x25x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x26-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-26-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_db1d9373-4238-4290-853c-09237f07a1ba.jpg?v=1781243183 Filter King 22.5x26.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 26.5 x .75" Filter King 22.5x26.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 26.5 x .75" https://hvacdirectusa.com/products/filter-king-22-5x26x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-26-x-75-fk22-5x26x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_aa3bb700-5524-4f22-9945-5c1d2cdf93b7.jpg?v=1781243183 Filter King 22.5x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 26 x .75" - FK22.5x26x1A-M8 -4 Filter King 22.5x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 26 x .75" - FK22.5x26x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x27-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-27-5-x-75-fk22-5x27-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f79dc6c4-3e80-4b2f-b646-23dec5a90ffd.jpg?v=1781243182 Filter King 22.5x27.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 27.5 x .75" - FK22.5x27.5x1A-M8 -4 Filter King 22.5x27.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 27.5 x .75" - FK22.5x27.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x27x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-27-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4578946b-d7f2-401d-a444-774d3e144ae5.jpg?v=1781243181 Filter King 22.5x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 27 x .75" Filter King 22.5x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 27 x .75" https://hvacdirectusa.com/products/filter-king-22-5x28-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-28-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a621b8e6-c487-4f43-89b0-8df0f50208bd.jpg?v=1781243181 Filter King 22.5x28.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 28.5 x .75" Filter King 22.5x28.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 28.5 x .75" https://hvacdirectusa.com/products/filter-king-22-5x28x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-28-x-75-fk22-5x28x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_eb1ea01c-0350-4d0b-9f24-1163dfa85f5c.jpg?v=1781243180 Filter King 22.5x28x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 28 x .75" - FK22.5x28x1A-M8 -4 Filter King 22.5x28x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 28 x .75" - FK22.5x28x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x29-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-29-5-x-75-fk22-5x29-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9b81818a-31df-4300-8ed3-9a31ad245057.jpg?v=1781243179 Filter King 22.5x29.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 29.5 x .75" - FK22.5x29.5x1A-M8 -4 Filter King 22.5x29.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 29.5 x .75" - FK22.5x29.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x30x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-30-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_77f5b837-34ca-441c-a54f-f973cb505aa6.jpg?v=1781243178 Filter King 22.5x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 30 x .75" Filter King 22.5x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 30 x .75" https://hvacdirectusa.com/products/filter-king-22-5x31-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-31-5-x-75-fk22-5x31-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_454358a5-74ff-4984-8bb2-fa648b5c9b51.jpg?v=1781243178 Filter King 22.5x31.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 31.5 x .75" - FK22.5x31.5x1A-M8 -4 Filter King 22.5x31.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 31.5 x .75" - FK22.5x31.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x32-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-32-5-x-75-fk22-5x32-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_503e2bcc-b5cc-4ff7-a370-399dbb11ba1e.jpg?v=1781243177 Filter King 22.5x32.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 32.5 x .75" - FK22.5x32.5x1A-M8 - 4 Filter King 22.5x32.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 32.5 x .75" - FK22.5x32.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-22-5x32x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-32-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e83976ac-3b44-4ac4-a794-d30b88029cc2.jpg?v=1781243176 Filter King 22.5x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 32 x .75" Filter King 22.5x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 32 x .75" https://hvacdirectusa.com/products/filter-king-22-5x33-5x1-air-filter-4-pack-merv-8-actual-size-22-5-x-33-5-x-75-fk22-5x33-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e7381c27-3b3f-40a2-8642-8026a3ffdb15.jpg?v=1781243176 Filter King 22.5x33.5x1 Air Filter 4-PACK MERV 8 Actual Size 22.5 x 33.5 x .75" - FK22.5x33.5x1A-M8 -4 Filter King 22.5x33.5x1 Air Filter 4-PACK MERV 8 Actual Size 22.5 x 33.5 x .75" - FK22.5x33.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x33x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-33-x-75-fk22-5x33x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_06a74419-d5cd-4a62-a6a3-93898e5b56ea.jpg?v=1781243175 Filter King 22.5x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 33 x .75" - FK22.5x33x1A-M8 -4 Filter King 22.5x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 33 x .75" - FK22.5x33x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x34-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-34-5-x-75-fk22-5x34-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_09b4c623-d547-4f84-a821-9217461c23ec.jpg?v=1781243174 Filter King 22.5x34.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 34.5 x .75" - FK22.5x34.5x1A-M8 -4 Filter King 22.5x34.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 34.5 x .75" - FK22.5x34.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x34x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-34-x-75-fk22-5x34x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2accc791-46e8-4f53-b7e8-048b8acc3e3b.jpg?v=1781243173 Filter King 23.5x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 34 x .75" - FK22.5x34x1A-M8 -4 Filter King 23.5x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 34 x .75" - FK22.5x34x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x35-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-35-5-x-75-fk22-5x35-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a2daf6ee-bb1c-4263-bfee-a7ce223a14d3.jpg?v=1781243172 Filter King 22.5x35.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 35.5 x .75" - FK22.5x35.5x1A-M8 -4 Filter King 22.5x35.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 35.5 x .75" - FK22.5x35.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x35x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-35-x-75-fk22-5x35x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0b452afc-1818-407c-88c6-792d5bef8d23.jpg?v=1781243172 Filter King 22.5x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 35 x .75" - FK22.5x35x1A-M8 -4 Filter King 22.5x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 35 x .75" - FK22.5x35x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x36-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-36-5-x-75-fk22-5x36-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d5d62852-5b33-4c3e-9a15-19d616e223be.jpg?v=1781243171 Filter King 22.5x36.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 36.5 x .75" - FK22.5x36.5x1A-M8 -4 Filter King 22.5x36.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 36.5 x .75" - FK22.5x36.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x36x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-36-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c7ec0fd4-45fc-4c69-95d6-bc968610f6c1.jpg?v=1781243170 Filter King 22.5x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 36 x .75" Filter King 22.5x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 36 x .75" https://hvacdirectusa.com/products/filter-king-22-5x37-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-37-5-x-75-fk22-5x37-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3f9ea128-a816-4952-8985-30cd0ef442e9.jpg?v=1781243170 Filter King 22.5x37.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 37.5 x .75" - FK22.5x37.5x1A-M8 -4 Filter King 22.5x37.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 37.5 x .75" - FK22.5x37.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x37x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-37-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5ea5043f-f2df-461f-b2c3-cc212825dfd2.jpg?v=1781243170 Filter King 22.5x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 37 x .75" Filter King 22.5x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 37 x .75" https://hvacdirectusa.com/products/filter-king-22-5x38-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-38-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_73362d6f-3546-439e-9227-06b6f4e0bbaf.jpg?v=1781243168 Filter King 22.5x38.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 38.5 x .75" Filter King 22.5x38.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 38.5 x .75" https://hvacdirectusa.com/products/filter-king-22-5x39-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-39-5-x-75-fk22-5x39-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b0c448a3-502e-4c3d-ba4c-1d404d58257d.jpg?v=1781243168 Filter King 22.5x39.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 39.5 x .75" - FK22.5x39.5x1A-M8 -4 Filter King 22.5x39.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 39.5 x .75" - FK22.5x39.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x39x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-39-x-75-fk22-5x39x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a165c04d-36a1-442d-8339-df330577a032.jpg?v=1781243167 Filter King 22.5x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 39 x .75" - FK22.5x39x1A-M8 -4 Filter King 22.5x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 39 x .75" - FK22.5x39x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x4-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-4-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8285a4cf-7aa4-467f-8f69-c7ba6dabc86d.jpg?v=1781243166 Filter King 22.5x4.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 4.5 x .75" Filter King 22.5x4.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 4.5 x .75" https://hvacdirectusa.com/products/filter-king-22-5x40-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-40-5-x-75-fk22-5x40-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_19d5ee90-9f4f-4fee-a29f-53e88b929d60.jpg?v=1781243166 Filter King 22.5x40.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 40.5 x .75" - FK22.5x40.5x1A-M8 -4 Filter King 22.5x40.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 40.5 x .75" - FK22.5x40.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x40x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-40-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9c81b2f4-2965-4dfd-a32f-3a62917d97d7.jpg?v=1781243165 Filter King 22.5x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 40 x .75" Filter King 22.5x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 40 x .75" https://hvacdirectusa.com/products/filter-king-22-5x41-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-41-5-x-75-fk22-5x41-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_041a6281-520b-43a9-aef4-a3333d65fb19.jpg?v=1781243163 Filter King 22.5x41.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 41.5 x .75" - FK22.5x41.5x1A-M8 -4 Filter King 22.5x41.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 41.5 x .75" - FK22.5x41.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x41x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-41-x-75-fk22-5x41x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ac7cac8f-307c-4dec-ac54-83b0e72d2415.jpg?v=1781243162 Filter King 22.5x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 41 x .75" - FK22.5x41x1A-M8 -4 Filter King 22.5x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 41 x .75" - FK22.5x41x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x42-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-42-5-x-75-fk22-5x42-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ae70567a-609f-44c0-81ba-668db66d08e7.jpg?v=1781243161 Filter King 22.5x42.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 42.5 x .75" - FK22.5x42.5x1A-M8 -4 Filter King 22.5x42.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 42.5 x .75" - FK22.5x42.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x42x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-42-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f97e9ba0-1a87-4738-9dcf-5fb99b87ccea.jpg?v=1781243160 Filter King 22.5x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 42 x .75" Filter King 22.5x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 42 x .75" https://hvacdirectusa.com/products/filter-king-22-5x43-5x1-air-filter-4-pack-merv-8-actual-size-22-5-x-43-5-x-75-fk22-5x43-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_41f02747-aeb1-4212-ba31-4ac920c381fb.jpg?v=1781243159 Filter King 22.5x43.5x1 Air Filter 4-PACK MERV 8 Actual Size 22.5 x 43.5 x .75" - FK22.5x43.5x1A-M8 -4 Filter King 22.5x43.5x1 Air Filter 4-PACK MERV 8 Actual Size 22.5 x 43.5 x .75" - FK22.5x43.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x43x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-43-x-75-fk22-5x43x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_55cbba05-5885-467a-bb8a-bcf64235f30d.jpg?v=1781243158 Filter King 22.5x43x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 43 x .75" - FK22.5x43x1A-M8 -4 Filter King 22.5x43x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 43 x .75" - FK22.5x43x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x44-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-44-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c22dcc63-fe8a-4aa1-bc17-ac3a2adaed2e.jpg?v=1781243157 Filter King 22.5x44.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 44.5 x .75" Filter King 22.5x44.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 44.5 x .75" https://hvacdirectusa.com/products/filter-king-22-5x45-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-45-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a7ee150c-d5a7-4e14-a6db-24eae15e1739.jpg?v=1781243155 Filter King 22.5x45.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 45.5 x .75" Filter King 22.5x45.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 45.5 x .75" https://hvacdirectusa.com/products/filter-king-22-5x45x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-45-x-75-fk22-5x45x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8c72a54a-2632-46fa-a209-189c19ee95d5.jpg?v=1781243155 Filter King 22.5x45x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 45 x .75" - FK22.5x45x1A-M8 -4 Filter King 22.5x45x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 45 x .75" - FK22.5x45x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x46x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-46-x-75-fk22-5x46x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_946d1602-61bb-46ba-824a-e2f7a217da5b.jpg?v=1781243151 Filter King 22.5x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 46 x .75" - FK22.5x46x1A-M8 -4 Filter King 22.5x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 46 x .75" - FK22.5x46x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x47-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-47-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1de3f892-17a7-4f52-8490-9344f0e5c6b7.jpg?v=1781243150 Filter King 22.5x47.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 47.5 x .75" Filter King 22.5x47.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 47.5 x .75" https://hvacdirectusa.com/products/filter-king-22-5x47x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-47-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4e5c3c6b-2095-4f4f-b9fa-e02046735978.jpg?v=1781243149 Filter King 22.5x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 47 x .75" - Filter King 22.5x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 47 x .75" - https://hvacdirectusa.com/products/filter-king-22-5x48-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-48-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c2380425-90be-4498-bebc-f806d643438c.jpg?v=1781243148 Filter King 22.5x48.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 48.5 x .75" Filter King 22.5x48.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 48.5 x .75" https://hvacdirectusa.com/products/filter-king-22-5x48x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-48-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5322e34d-00f4-4297-a483-b5538654ec1c.jpg?v=1781243148 Filter King 22.5x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 48 x .75" Filter King 22.5x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 48 x .75" https://hvacdirectusa.com/products/filter-king-22-5x49-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-49-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e5a3e459-f177-4d29-a556-c24ffb3a84fe.jpg?v=1781243147 Filter King 22.5x49.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 49.5 x .75" Filter King 22.5x49.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 49.5 x .75" https://hvacdirectusa.com/products/filter-king-22-5x5-5x1-air-filter-4-pack-merv-8-actual-size-22-5-x-5-5-x-75-fk22-5x5-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1f251eab-59cb-42ff-8ce3-3dec64411fb9.jpg?v=1781243146 Filter King 22.5x5.5x1 Air Filter 4-PACK MERV 8 Actual Size 22.5 x 5.5 x .75" - FK22.5x5.5x1A-M8 -4 Filter King 22.5x5.5x1 Air Filter 4-PACK MERV 8 Actual Size 22.5 x 5.5 x .75" - FK22.5x5.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x50-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-50-5-x-75-fk22-5x50-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0192cd48-6c8f-4f09-9601-b997d678fd7b.jpg?v=1781243146 Filter King 22.5x50.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 50.5 x .75" - FK22.5x50.5x1A-M8 -4 Filter King 22.5x50.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 50.5 x .75" - FK22.5x50.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x52-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-52-5-x-75-fk22-5x52-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5fd9303c-9f8b-4874-9817-f8f0afbb44eb.jpg?v=1781243145 Filter King 22.5x52.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 52.5 x .75" - FK22.5x52.5x1A-M8 -4 Filter King 22.5x52.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 52.5 x .75" - FK22.5x52.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x53-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-53-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2f2ea237-fdda-44b3-90f2-bef3a55e9f07.jpg?v=1781243144 Filter King 22.5x53.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 53.5 x .75" Filter King 22.5x53.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 53.5 x .75" https://hvacdirectusa.com/products/filter-king-22-5x53x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-53-x-75-fk22-5x53x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5a90cf2f-6dba-4f63-ad3e-0a2b1c42985f.jpg?v=1781243143 Filter King 22.5x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 53 x .75" - FK22.5x53x1A-M8 -4 Filter King 22.5x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 53 x .75" - FK22.5x53x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x54-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-54-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a7da6c1b-da9c-47fa-995c-22e3f144c10b.jpg?v=1781243143 Filter King 22.5x54.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 54.5 x .75" Filter King 22.5x54.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 54.5 x .75" https://hvacdirectusa.com/products/filter-king-22-5x54x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-54-x-75-fk22-5x54x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6d2f6e58-d4e4-44f5-b1e9-79a321a87dff.jpg?v=1781243142 Filter King 22.5x54x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 54 x .75" - FK22.5x54x1A-M8 -4 Filter King 22.5x54x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 54 x .75" - FK22.5x54x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x55-5x1-air-filter-4-pack-merv-8-actual-size-22-5-x-55-5-x-75-fk22-5x55-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_fd750581-fd12-48ca-a0e8-8ddd52abba4c.jpg?v=1781243142 Filter King 22.5x55.5x1 Air Filter 4-PACK MERV 8 Actual Size 22.5 x 55.5 x .75" - FK22.5x55.5x1A-M8 -4 Filter King 22.5x55.5x1 Air Filter 4-PACK MERV 8 Actual Size 22.5 x 55.5 x .75" - FK22.5x55.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x55x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-55-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ed57a647-53f7-426d-8b48-00e49b3b938c.jpg?v=1781243141 Filter King 22.5x55x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 55 x .75" Filter King 22.5x55x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 55 x .75" https://hvacdirectusa.com/products/filter-king-22-5x56-5x1-air-filter-4-pack-merv-8-actual-size-22-5-x-56-5-x-75-fk22-5x56-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_594de29b-a8e4-45f1-8153-206dc7811b76.jpg?v=1781243140 Filter King 22.5x56.5x1 Air Filter 4-PACK MERV 8 Actual Size 22.5 x 56.5 x .75" - FK22.5x56.5x1A-M8 -4 Filter King 22.5x56.5x1 Air Filter 4-PACK MERV 8 Actual Size 22.5 x 56.5 x .75" - FK22.5x56.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x56x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-56-x-75-fk22-5x56x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c611308d-d4f5-4f1e-9b10-f4252db59832.jpg?v=1781243140 Filter King 22.5x56x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 56 x .75" - FK22.5x56x1A-M8 -4 Filter King 22.5x56x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 56 x .75" - FK22.5x56x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x57-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-57-5-x-75-fk22-5x57-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_07dc6607-26b6-490f-b32c-5e2ff5d1d098.jpg?v=1781243139 Filter King 22.5x57.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 57.5 x .75" - FK22.5x57.5x1A-M8 -4 Filter King 22.5x57.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 57.5 x .75" - FK22.5x57.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x57x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-57-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_010d45ff-e406-457a-a8cb-67073eeaca50.jpg?v=1781243138 Filter King 22.5x57x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 57 x .75" Filter King 22.5x57x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 57 x .75" https://hvacdirectusa.com/products/filter-king-22-5x58-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-58-5-x-75-fk22-5x58-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4e37104f-35ae-41cd-8d3b-3321c1944dc3.jpg?v=1781243137 Filter King 22.5x58.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 58.5 x .75" - FK22.5x58.5x1A-M8 -4 Filter King 22.5x58.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 58.5 x .75" - FK22.5x58.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x59-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-59-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_167c494d-b33f-437e-ac51-d81737ccfaa5.jpg?v=1781243137 Filter King 22.5x59.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 59.5 x .75" Filter King 22.5x59.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 59.5 x .75" 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-76 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f848e053-b0e7-437b-bfaf-1498e853cc8b.jpg?v=1781243136 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-22-5x5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-5-x-75-fk22-5x5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4c1496b4-832f-4d6e-8621-a311fbd0489f.jpg?v=1781243136 Filter King 22.5x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 5 x .75" - FK22.5x5x1A-M8 -4 Filter King 22.5x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 5 x .75" - FK22.5x5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x6-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-6-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d96c88f0-cb6d-453c-bcd7-e762fc804473.jpg?v=1781243135 Filter King 22.5x6.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 6.5 x .75" Filter King 22.5x6.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 6.5 x .75" https://hvacdirectusa.com/products/filter-king-22-5x60-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-60-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_03bb83ca-3860-4dce-9865-7ab3c42c04e1.jpg?v=1781243134 Filter King 22.5x60.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 60.5 x .75" Filter King 22.5x60.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 60.5 x .75" https://hvacdirectusa.com/products/filter-king-22-5x61-5x1-air-filter-4-pack-merv-8-actual-size-22-5-x-61-5-x-75-fk22-5x61-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d7b86972-842d-4513-98da-894d2212b5c6.jpg?v=1781243134 Filter King 22.5x61.5x1 Air Filter 4-PACK MERV 8 Actual Size 22.5 x 61.5 x .75" - FK22.5x61.5x1A-M8 -4 Filter King 22.5x61.5x1 Air Filter 4-PACK MERV 8 Actual Size 22.5 x 61.5 x .75" - FK22.5x61.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x62-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-62-5-x-75-fk22-5x62-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3794c760-2fae-4173-9892-0a93e3d2a425.jpg?v=1781243133 Filter King 22.5x62.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 62.5 x .75" - FK22.5x62.5x1A-M8 -4 Filter King 22.5x62.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 62.5 x .75" - FK22.5x62.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x63-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-63-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a59d07d2-bb6c-4816-b4a3-0318f02f2c2f.jpg?v=1781243132 Filter King 22.5x63.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 63.5 x .75" Filter King 22.5x63.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 63.5 x .75" https://hvacdirectusa.com/products/filter-king-22-5x64-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-64-5-x-75-fk22-5x64-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0bd48d54-a6bd-45c9-9b44-f1059620c93d.jpg?v=1781243131 Filter King 22.5x64.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 64.5 x .75" - FK22.5x64.5x1A-M8 -4 Filter King 22.5x64.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 64.5 x .75" - FK22.5x64.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x65-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-65-5-x-75-fk22-5x65-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d6d43f9d-1adf-4a93-8d07-be398cb7e687.jpg?v=1781243131 Filter King 22.5x65.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 65.5 x .75" - FK22.5x65.5x1A-M8 -4 Filter King 22.5x65.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 65.5 x .75" - FK22.5x65.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x65x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-65-x-75-fk22-5x65x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_428a349a-a665-4952-a685-62d26e23a0ac.jpg?v=1781243130 Filter King 22.5x65x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 65 x .75" - FK22.5x65x1A-M8 -4 Filter King 22.5x65x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 65 x .75" - FK22.5x65x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x66-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-66-5-x-75-fk22-5x66-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_45aa215f-8c00-46d2-872b-91053e31feae.jpg?v=1781243130 Filter King 22.5x66.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 66.5 x .75" - FK22.5x66.5x1A-M8 -4 Filter King 22.5x66.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 66.5 x .75" - FK22.5x66.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x66x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-66-x-75-fk22-5x66x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5186b82e-c0d1-444c-becc-a6bf71e5925e.jpg?v=1781243129 Filter King 22.5x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 66 x .75" - FK22.5x66x1A-M8 -4 Filter King 22.5x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 66 x .75" - FK22.5x66x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x6x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-6-x-75-fk22-5x6x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_360f927e-129e-46c3-94db-1e0822072456.jpg?v=1781243128 Filter King 22.5x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 6 x .75" - FK22.5x6x1A-M8 -4 Filter King 22.5x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 6 x .75" - FK22.5x6x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x7-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-7-5-x-75-no-ratings-yet 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_05dc337b-d5a9-4b18-8f65-8eef62019799.jpg?v=1781243127 Filter King 22.5x7.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 7.5 x .75" (No ratings yet) Filter King 22.5x7.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 7.5 x .75" (No ratings yet) https://hvacdirectusa.com/products/filter-king-22-5x8-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-8-5-x-75-fk22-5x8-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2235b742-ac8c-468f-9af8-602841c33c4c.jpg?v=1781243127 Filter King 22.5x8.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 8.5 x .75" - FK22.5x8.5x1A-M8 -4 Filter King 22.5x8.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 8.5 x .75" - FK22.5x8.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x9-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-9-5-x-75-fk22-5x9-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_82a2228a-b097-4139-93d5-c503d575acc5.jpg?v=1781243126 Filter King 22.5x9.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 9.5 x .75" - FK22.5x9.5x1A-M8 -4 Filter King 22.5x9.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 9.5 x .75" - FK22.5x9.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22-5x9x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-9-x-75-fk22-5x9x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a775267d-0d16-4aaf-9c6a-245a5c9c3d0c.jpg?v=1781243126 Filter King 22.5x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 9 x .75" - FK22.5x9x1A-M8 -4 Filter King 22.5x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 9 x .75" - FK22.5x9x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x10-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-10-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b2dd4690-29f2-42e3-a2e4-9c22f6f175fd.jpg?v=1781243125 Filter King 22x10.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 10.5 x .75" Filter King 22x10.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 10.5 x .75" https://hvacdirectusa.com/products/filter-king-22x10x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-10-x-75-fk22x10x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c68a5bc0-4a19-425b-a6e3-65a043d1416d.jpg?v=1781243124 Filter King 22x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 10 x .75" - FK22x10x1A-M8 -4 Filter King 22x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 10 x .75" - FK22x10x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x11-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-11-5-x-75-fk22x11-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9058b8c9-04f2-492a-a013-802dd6b9f8c8.jpg?v=1781243124 Filter King 22x11.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 11.5 x .75" - FK22x11.5x1A-M8 -4 Filter King 22x11.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 11.5 x .75" - FK22x11.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x11x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-11-x-75-fk22x11x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1d3ad9dd-4632-47ef-8ee1-9ff8288ec187.jpg?v=1781243123 Filter King 22x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 11 x .75" - FK22x11x1A-M8 -4 Filter King 22x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 11 x .75" - FK22x11x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x12-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-12-5-x-75-fk22x12-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a0a9872a-126c-4cdf-8a42-4ac46015f072.jpg?v=1781243123 Filter King 22x12.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 12.5 x .75" - FK22x12.5x1A-M8 -4 Filter King 22x12.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 12.5 x .75" - FK22x12.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x13-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-13-5-x-75-fk22x13-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_23e6a678-a724-4c8c-9306-ea1ae6e74464.jpg?v=1781243122 Filter King 22x13.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 13.5 x .75" - FK22x13.5x1A-M8 -4 Filter King 22x13.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 13.5 x .75" - FK22x13.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x13x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-13-x-75-fk22x13x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1b5ef70f-ae11-49b0-9349-2a39fea10e78.jpg?v=1781243121 Filter King 22x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 13 x .75" - FK22x13x1A-M8 -4 Filter King 22x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 13 x .75" - FK22x13x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x14-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-14-5-x-75-fk22x14-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d860e931-32c8-450a-99b9-aab08c895a0a.jpg?v=1781243121 Filter King 22x14.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 14.5 x .75" - FK22x14.5x1A-M8 -4 Filter King 22x14.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 14.5 x .75" - FK22x14.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x14x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-14-x-75-fk22x14x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a60aa3eb-b2d2-451b-a84f-74339503deb7.jpg?v=1781243120 Filter King 22x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 14 x .75" - FK22x14x1A-M8 -4 Filter King 22x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 14 x .75" - FK22x14x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x15-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-15-5-x-75-fk22x15-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1d1efa50-a7c2-45eb-bc1f-3345f5a84f7c.jpg?v=1781243119 Filter King 22x15.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 15.5 x .75" - FK22x15.5x1A-M8 -4 Filter King 22x15.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 15.5 x .75" - FK22x15.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x15x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-15-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6c3c1e0c-4a4b-41a5-a204-15dea0e949d8.jpg?v=1781243119 Filter King 22x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 15 x .75" Filter King 22x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 15 x .75" https://hvacdirectusa.com/products/filter-king-22x16-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-16-5-x-75-fk22x16-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f06e22e5-5a76-49b7-b85a-e885fdbcc5ae.jpg?v=1781243118 Filter King 22x16.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 16.5 x .75" - FK22x16.5x1A-M8 -4 Filter King 22x16.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 16.5 x .75" - FK22x16.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x16x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-16-x-75-fk22x16x1a-m8-5 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5cb2ffaa-56cd-4ca1-b0aa-1f0bb4407027.jpg?v=1781243117 Filter King 22x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 16 x .75" - FK22x16x1A-M8 -4 Filter King 22x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 16 x .75" - FK22x16x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x17-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-17-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_219c453c-20a5-4203-a20b-4f75fcd7a2e1.jpg?v=1781243117 Filter King 22x17.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 17.5 x .75" Filter King 22x17.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 17.5 x .75" https://hvacdirectusa.com/products/filter-king-22x17x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-17-x-75-fk22x17x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_49794739-d850-4840-896f-f30bab6df7e2.jpg?v=1781243116 Filter King 22x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 17 x .75" - FK22x17x1A-M8 -4 Filter King 22x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 17 x .75" - FK22x17x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x18-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-18-5-x-75-fk22x18-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9fdb056b-6725-445d-9f51-dd01b38ed961.jpg?v=1781243115 Filter King 22x18.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 18.5 x .75" - FK22x18.5x1A-M8 -4 Filter King 22x18.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 18.5 x .75" - FK22x18.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x18x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-18-x-75-fk22x18x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0c3eaa90-2042-46c4-a8df-834852a279cf.jpg?v=1781243115 Filter King 22x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 18 x .75" - FK22x18x1A-M8 -4 Filter King 22x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 18 x .75" - FK22x18x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x19-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-19-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_599364fa-5398-42eb-9b68-87d0f9c85aac.jpg?v=1781243115 Filter King 22x19.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 19.5 x .75" Filter King 22x19.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 19.5 x .75" https://hvacdirectusa.com/products/filter-king-22x19x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-19-x-75-fk22x19x1a-m8-5 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2d5cc323-fe80-4943-bfb9-ddbe88d6781f.jpg?v=1781243113 Filter King 22x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 19 x .75" - FK22x19x1A-M8 -4 Filter King 22x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 19 x .75" - FK22x19x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x20-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-20-5-x-75-fk22x20-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8eb554a9-9a34-423a-b38c-4fcd004b62d9.jpg?v=1781243113 Filter King 22x20.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 20.5 x .75" - FK22x20.5x1A-M8 -4 Filter King 22x20.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 20.5 x .75" - FK22x20.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x20x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-20-x-75-fk22x20x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_507a9c67-043d-400e-be9a-40d9eecc90b3.jpg?v=1781243112 Filter King 22x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 20 x .75" - FK22x20x1A-M8 -4 Filter King 22x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 20 x .75" - FK22x20x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x21-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-21-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_92015a44-d4e7-48ce-a3c2-a026bb34d5bc.jpg?v=1781243111 Filter King 22x21.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 21.5 x .75" Filter King 22x21.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 21.5 x .75" https://hvacdirectusa.com/products/filter-king-22x21x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-21-x-75-fk22x21x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f8dde677-f87e-4c6d-9241-c4bfb8c0ed59.jpg?v=1781243111 Filter King 22x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 21 x .75" - FK22x21x1A-M8 -4 Filter King 22x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 21 x .75" - FK22x21x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x22-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-22-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_841e8dda-fdaa-4788-95e9-a7f9361dc5ea.jpg?v=1781243110 Filter King 22x22.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 22.5 x .75" Filter King 22x22.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 22.5 x .75" https://hvacdirectusa.com/products/filter-king-22x22x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-22-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4c0b24dc-4228-4a1b-b05f-930c28ef0227.jpg?v=1781243109 Filter King 22x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 22 x .75" Filter King 22x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 22 x .75" https://hvacdirectusa.com/products/filter-king-22x23-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-23-5-x-76 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b5344811-8cfc-4bed-a5cd-ece7159c9a3c.jpg?v=1781243108 Filter King 22x23.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 23.5 x .75" Filter King 22x23.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 23.5 x .75" https://hvacdirectusa.com/products/filter-king-22x23x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-23-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1b1aa20d-86ef-443e-89c7-dd146d279f73.jpg?v=1781243108 Filter King 22x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 23 x .75" Filter King 22x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 23 x .75" https://hvacdirectusa.com/products/filter-king-22x24-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-24-5-x-75-fk22x24-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_81af971f-268f-4673-abac-4199d808df60.jpg?v=1781243107 Filter King 22x24.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 24.5 x .75" - FK22x24.5x1A-M8 -4 Filter King 22x24.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 24.5 x .75" - FK22x24.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x25-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-25-5-x-75-fk22x25-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e1e88bc2-7308-4a53-9882-aa18772a47d4.jpg?v=1781243106 Filter King 22x25.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 25.5 x .75" - FK22x25.5x1A-M8 -4 Filter King 22x25.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 25.5 x .75" - FK22x25.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x25x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-25-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_efa4540a-c3f5-4fc3-8c50-2d803d588ac1.jpg?v=1781243106 Filter King 22x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 25 x .75" Filter King 22x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 25 x .75" https://hvacdirectusa.com/products/filter-king-22x26-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-26-5-x-75-fk22x26-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8a3406ce-49de-4fd3-84ba-abe1c0f92f66.jpg?v=1781243105 Filter King 22x26.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 26.5 x .75" - FK22x26.5x1A-M8 -4 Filter King 22x26.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 26.5 x .75" - FK22x26.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x27-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-27-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e7bd82a8-8ebf-4f75-ac46-dc978989cff3.jpg?v=1781243104 Filter King 22x27.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 27.5 x .75" Filter King 22x27.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 27.5 x .75" https://hvacdirectusa.com/products/filter-king-22x27x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-27-x-75-fk22x27x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b58db2cc-e768-4c62-bacb-3c45e47fab6d.jpg?v=1781243104 Filter King 22x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 27 x .75" - FK22x27x1A-M8 -4 Filter King 22x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 27 x .75" - FK22x27x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x28-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-28-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_22eda845-7fe0-4cff-a0c5-4c035e95bfdd.jpg?v=1781243103 Filter King 22x28.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 28.5 x .75" Filter King 22x28.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 28.5 x .75" https://hvacdirectusa.com/products/filter-king-22x28x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-28-x-77 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5a0ee60b-5d35-4f0f-b5ec-169761ec3d66.jpg?v=1781243103 Filter King 22x28x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 28 x .75" Filter King 22x28x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 28 x .75" https://hvacdirectusa.com/products/filter-king-22x29-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-29-5-x-75-fk22x29-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b2fa3206-ccf5-48e8-845f-2e2b407490a2.jpg?v=1781243102 Filter King 22x29.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 29.5 x .75" - FK22x29.5x1A-M8-4 Filter King 22x29.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 29.5 x .75" - FK22x29.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-22x30-5x1-air-filter-4-pack-merv-8-actual-size-22-x-30-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d72cad07-ea54-477a-b8ac-69693d7b918e.jpg?v=1781243101 Filter King 22x30.5x1 Air Filter 4-PACK MERV 8 Actual Size 22 x 30.5 x .75" Filter King 22x30.5x1 Air Filter 4-PACK MERV 8 Actual Size 22 x 30.5 x .75" https://hvacdirectusa.com/products/filter-king-22x30x1-air-filter-4-pack-merv-8-actual-size-21-5-x-29-5-x-76 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1bea741a-cda5-45cd-aad9-3add9e0fbaa2.jpg?v=1781243101 Filter King 22x30x1 Air Filter 4-PACK MERV 8 Actual Size 21.5 x 29.5 x .75" Filter King 22x30x1 Air Filter 4-PACK MERV 8 Actual Size 21.5 x 29.5 x .75" https://hvacdirectusa.com/products/filter-king-22x30x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-30-x-75-fk22x30x1-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4e8ae4d3-f227-421c-afac-34664f61e081.jpg?v=1781243100 Filter King 22x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 30 x .75" - FK22x30x1-M8 -4 Filter King 22x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 30 x .75" - FK22x30x1-M8 -4 https://hvacdirectusa.com/products/filter-king-22x31-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-31-5-x-75-fk22x31-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_33f3b824-7179-4af8-8184-d580c61fa324.jpg?v=1781243099 Filter King 22x31.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 31.5 x .75" - FK22x31.5x1A-M8 -4 Filter King 22x31.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 31.5 x .75" - FK22x31.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x31x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-31-x-75-fk22x31x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e182979f-5599-4990-9e26-b652817ec07d.jpg?v=1781243099 Filter King 22x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 31 x .75" - FK22x31x1A-M8 - 4 Filter King 22x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 31 x .75" - FK22x31x1A-M8 - 4 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-fk22x32-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e1051f0c-dded-4f83-b6e2-3d43257c652e.jpg?v=1781243098 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" - FK22x32.5x1A-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" - FK22x32.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-22x33-5x1-air-filter-4-pack-merv-8-actual-size-22-x-33-5-x-75-fk22x33-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_092bf802-913a-473e-9b9f-dece50e9ad1e.jpg?v=1781243098 Filter King 22x33.5x1 Air Filter 4-PACK MERV 8 Actual Size 22 x 33.5 x .75" - FK22x33.5x1A-M8 - 4 Filter King 22x33.5x1 Air Filter 4-PACK MERV 8 Actual Size 22 x 33.5 x .75" - FK22x33.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-22x33x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-33-x-75-fk22x33x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_cb2d27f9-86d2-4515-8e60-0e5a04c8cda6.jpg?v=1781243097 Filter King 22x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 33 x .75" - FK22x33x1A-M8 -4 Filter King 22x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 33 x .75" - FK22x33x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-27x25x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-27-x-25-x-75-fk22x34-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_770c1120-6976-4550-8d4d-50882ae41c3b.jpg?v=1781243096 Filter King 27x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 25 x .75" - FK22x34.5x1A-M8 -4 Filter King 27x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 25 x .75" - FK22x34.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x34x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-34-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e3f9e278-ab69-44aa-b715-ae7a8ce207d7.jpg?v=1781243095 Filter King 22x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 34 x .75" Filter King 22x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 34 x .75" https://hvacdirectusa.com/products/filter-king-22x36-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-36-5-x-75-fk22x36-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_bc1363b7-e880-4842-b4ff-85db61b5918f.jpg?v=1781243095 Filter King 22x36.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 36.5 x .75" - FK22x36.5x1A-M8 -4 Filter King 22x36.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 36.5 x .75" - FK22x36.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x37-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-37-5-x-75-fk22x37-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_71a3773b-292b-40d4-8d7a-d98f2ef66e71.jpg?v=1781243094 Filter King 22x37.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 37.5 x .75" - FK22x37.5x1A-M8 -4 Filter King 22x37.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 37.5 x .75" - FK22x37.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x38-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-38-5-x-75-fk22x38-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6c99ae3f-7a90-4377-a4b8-85f36973b8b0.jpg?v=1781243094 Filter King 22x38.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 38.5 x .75" - FK22x38.5x1A-M8 -4 Filter King 22x38.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 38.5 x .75" - FK22x38.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x38x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-38-x-76 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b088f701-abd1-4203-ab16-b4e0e952f286.jpg?v=1781243093 Filter King 22x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 38 x .75" Filter King 22x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 38 x .75" https://hvacdirectusa.com/products/filter-king-22x39-5x1-air-filter-4-pack-merv-8-actual-size-22-x-39-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a9ec6653-c702-42f2-a70e-469bec81e6a8.jpg?v=1781243092 Filter King 22x39.5x1 Air Filter 4-PACK MERV 8 Actual Size 22 x 39.5 x .75" Filter King 22x39.5x1 Air Filter 4-PACK MERV 8 Actual Size 22 x 39.5 x .75" https://hvacdirectusa.com/products/filter-king-22x39x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-39-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_feb9de99-aee5-49cc-bead-479e717b914b.jpg?v=1781243092 Filter King 22x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 39 x .75" Filter King 22x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 39 x .75" https://hvacdirectusa.com/products/filter-king-22x4-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-4-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0301da28-62db-42e7-bbfa-068fa87fdf9c.jpg?v=1781243091 Filter King 22x4.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 4.5 x .75" Filter King 22x4.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 4.5 x .75" https://hvacdirectusa.com/products/filter-king-22x40-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-40-5-x-75-fk22x40-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c4bb22e3-cb41-4fff-a8a0-0dc0dae605c4.jpg?v=1781243090 Filter King 22x40.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 40.5 x .75" - FK22x40.5x1A-M8 -4 Filter King 22x40.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 40.5 x .75" - FK22x40.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x40x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-40-x-75-fk22x40x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4de366bd-596a-4f11-b4ce-db35f2aafe53.jpg?v=1781243090 Filter King 22x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 40 x .75" - FK22x40x1A-M8 - 4 Filter King 22x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 40 x .75" - FK22x40x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-22x41-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-41-5-x-75-fk22x41-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_bb49f34f-3102-43c7-ae9e-a18f2f63849e.jpg?v=1781243089 Filter King 22x41.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 41.5 x .75" - FK22x41.5x1A-M8 -4 Filter King 22x41.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 41.5 x .75" - FK22x41.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x41x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-41-x-75-fk22x41x1a-m8 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3eb38d6f-e8fc-4ecd-bd4e-eed9a0d62233.jpg?v=1781243089 Filter King 22x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 41 x .75" - FK22x41x1A-M8 Filter King 22x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 41 x .75" - FK22x41x1A-M8 https://hvacdirectusa.com/products/filter-king-22x42-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-42-5-x-75-fk22x42-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ad9fa6fd-fb73-489b-b68b-43cf14000ba6.jpg?v=1781243086 Filter King 22x42.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 42.5 x .75" - FK22x42.5x1A-M8 -4 Filter King 22x42.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 42.5 x .75" - FK22x42.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x42x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-42-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_74b6b97a-7445-4f26-a68c-190f6ee1a0c3.jpg?v=1781243086 Filter King 22x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 42 x .75" Filter King 22x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 42 x .75" https://hvacdirectusa.com/products/filter-king-22x43-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-43-5-x-75-fk22x43-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_bd55c57b-1213-467e-ba75-387f8b1e868e.jpg?v=1781243084 Filter King 22x43.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 43.5 x .75" - FK22x43.5x1A-M8 -4 Filter King 22x43.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 43.5 x .75" - FK22x43.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x43x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-43-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_94650b48-1cb3-4d11-9b96-210cc6b09af8.jpg?v=1781243083 Filter King 22x43x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 43 x .75" Filter King 22x43x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 43 x .75" https://hvacdirectusa.com/products/filter-king-22x44x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-44-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d883fde5-9e6b-4aef-a249-cea0c2628844.jpg?v=1781243082 Filter King 22x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 44 x .75" Filter King 22x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 44 x .75" https://hvacdirectusa.com/products/filter-king-22x45-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-45-5-x-75-fk22x45-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_41499b90-ec41-4427-9467-7447f7021f00.jpg?v=1781243081 Filter King 22x45.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 45.5 x .75" - FK22x45.5x1A-M8 -4 Filter King 22x45.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 45.5 x .75" - FK22x45.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x45x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-45-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_afb59fd5-8b9a-4372-b421-62bb4b4ab191.jpg?v=1781243080 Filter King 22x45x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 45 x .75" Filter King 22x45x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 45 x .75" https://hvacdirectusa.com/products/filter-king-22x46-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-46-5-x-75-fk22x46-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_885ee482-1326-485b-9d96-6952f60139d9.jpg?v=1781243079 Filter King 22x46.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 46.5 x .75" - FK22x46.5x1A-M8 -4 Filter King 22x46.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 46.5 x .75" - FK22x46.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x46x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-46-x-75-fk22x46x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_155ec5be-27c4-4a67-aef6-501a6f979ef8.jpg?v=1781243078 Filter King 22x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 46 x .75" - FK22x46x1A-M8 -4 Filter King 22x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 46 x .75" - FK22x46x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x47-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-47-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_dced41b2-4083-4d1e-b44a-b6c709a8ae8b.jpg?v=1781243078 Filter King 22x47.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 47.5 x .75" Filter King 22x47.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 47.5 x .75" https://hvacdirectusa.com/products/filter-king-22x47x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-47-x-75-fk22x47x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_01f29c02-29b4-479a-ac70-dec4ac2de328.jpg?v=1781243077 Filter King 22x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 47 x .75" - FK22x47x1A-M8-4 Filter King 22x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 47 x .75" - FK22x47x1A-M8-4 https://hvacdirectusa.com/products/filter-king-22x48-5x1-air-filter-4-pack-merv-8-actual-size-22-x-48-5-x-75-fk22x48-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6eb1d7b4-fe82-4a21-b27f-bfd2f0ee08f6.jpg?v=1781243076 Filter King 22x48.5x1 Air Filter 4-PACK MERV 8 Actual Size 22 x 48.5 x .75" - FK22x48.5x1A-M8 -4 Filter King 22x48.5x1 Air Filter 4-PACK MERV 8 Actual Size 22 x 48.5 x .75" - FK22x48.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-28x61-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-28-x-61-5-x-75-fk22x48-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f443f526-7745-442a-b132-3b26a5e8d9fc.jpg?v=1781243076 Filter King 28x61.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 61.5 x .75" - FK22x48.5x1A-M8 -4 Filter King 28x61.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 61.5 x .75" - FK22x48.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x48x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-48-x-77 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c7940257-180a-4728-959c-180ae9c0350f.jpg?v=1781243075 Filter King 22x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 48 x .75" Filter King 22x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 48 x .75" https://hvacdirectusa.com/products/filter-king-22x49-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-49-5-x-75-fk22x49-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_01068cb3-d043-4930-9081-8815549a573b.jpg?v=1781243074 Filter King 22x49.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 49.5 x .75" - FK22x49.5x1A-M8 - 4 Filter King 22x49.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 49.5 x .75" - FK22x49.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-22x49x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-49-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5613a794-1d6e-4791-9593-8725d88f45fa.jpg?v=1781243074 Filter King 22x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 49 x .75" Filter King 22x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 49 x .75" https://hvacdirectusa.com/products/filter-king-22x4x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-4-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_598defac-d4d6-487d-8c95-18513092609c.jpg?v=1781243073 Filter King 22x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 4 x .75" Filter King 22x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 4 x .75" https://hvacdirectusa.com/products/filter-king-22x5-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-5-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f3bf4fc1-214e-4d73-912e-73b96ecc4448.jpg?v=1781243072 Filter King 22x5.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 5.5 x .75" Filter King 22x5.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 5.5 x .75" https://hvacdirectusa.com/products/filter-king-22x50-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-50-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f2a67ff0-7fdf-4cc6-8d80-a11c61310f2f.jpg?v=1781243071 Filter King 22x50.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 50.5 x .75" Filter King 22x50.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 50.5 x .75" https://hvacdirectusa.com/products/filter-king-22x50x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-50-x-75-fk22x50x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b18d600b-229c-4dbf-823f-5a8b7de70739.jpg?v=1781243071 Filter King 22x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 50 x .75" - FK22x50x1A-M8 -4 Filter King 22x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 50 x .75" - FK22x50x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x51-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-51-5-x-75-fk22x51-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_67b8a5c9-7d8e-4602-8ba4-d1f4a18c91c1.jpg?v=1781243070 Filter King 22x51.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 51.5 x .75" - FK22x51.5x1A-M8 -4 Filter King 22x51.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 51.5 x .75" - FK22x51.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x51x1-air-filter-4-pack-merv-8-actual-size-22-x-51-x-75-fk22x51x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a56089d4-6545-4f8a-8bb2-9e837ee901d1.jpg?v=1781243069 Filter King 22x51x1 Air Filter 4-PACK MERV 8 Actual Size 22 x 51 x .75" - FK22x51x1A-M8 -4 Filter King 22x51x1 Air Filter 4-PACK MERV 8 Actual Size 22 x 51 x .75" - FK22x51x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x52-5x1-air-filter-4-pack-merv-8-actual-size-22-x-52-5-x-75-fk22x52-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_bbb7694b-9ad2-48a1-9eda-c95c9070c6ca.jpg?v=1781243069 Filter King 22x52.5x1 Air Filter 4-PACK MERV 8 Actual Size 22 x 52.5 x .75" - FK22x52.5x1A-M8 -4 Filter King 22x52.5x1 Air Filter 4-PACK MERV 8 Actual Size 22 x 52.5 x .75" - FK22x52.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x52x1-air-filter-4-pack-merv-8-actual-size-22-x-52-x-75-fk22x52x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_aeba8554-52b3-4ff5-948e-bcaff922cee2.jpg?v=1781243068 Filter King 22x52x1 Air Filter 4-PACK MERV 8 Actual Size 22 x 52 x .75" - FK22x52x1A-M8-4 Filter King 22x52x1 Air Filter 4-PACK MERV 8 Actual Size 22 x 52 x .75" - FK22x52x1A-M8-4 https://hvacdirectusa.com/products/filter-king-22x53-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-53-5-x-75-fk22x53-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8783d107-2281-4f76-a9f8-3483a8c5daa9.jpg?v=1781243068 Filter King 22x53.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 53.5 x .75" - FK22x53.5x1A-M8 -4 Filter King 22x53.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 53.5 x .75" - FK22x53.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x54-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-54-5-x-75-fk22x54-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_912184ea-3f75-4081-9b75-bc95f236934c.jpg?v=1781243067 Filter King 22x54.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 54.5 x .75" - FK22x54.5x1A-M8 -4 Filter King 22x54.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 54.5 x .75" - FK22x54.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x54x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-54-x-75-fk22x54x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e0f08370-7a11-47ed-9276-2375af7784ae.jpg?v=1781243066 Filter King 22x54x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 54 x .75" - FK22x54x1A-M8 -4 Filter King 22x54x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 54 x .75" - FK22x54x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x55-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-55-5-x-75-fk22x55-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c21f204f-4646-4776-b6fd-6fa5227dafba.jpg?v=1781243066 Filter King 22x55.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 55.5 x .75" - FK22x55.5x1A-M8 -4 Filter King 22x55.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 55.5 x .75" - FK22x55.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x55x1-air-filter-4-pack-merv-8-actual-size-22-x-55-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b91883ff-8d4e-4721-8202-1759815ac0b1.jpg?v=1781243065 Filter King 22x55x1 Air Filter 4-PACK MERV 8 Actual Size 22 x 55 x .75" Filter King 22x55x1 Air Filter 4-PACK MERV 8 Actual Size 22 x 55 x .75" https://hvacdirectusa.com/products/filter-king-22x56-5x1-air-filter-4-pack-merv-8-actual-size-22-x-56-5-x-75-fk22x56-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_bcf6fcab-a888-493d-9c58-b2c88d1c1d65.jpg?v=1781243064 Filter King 22x56.5x1 Air Filter 4-PACK MERV 8 Actual Size 22 x 56.5 x .75" - FK22x56.5x1A-M8 -4 Filter King 22x56.5x1 Air Filter 4-PACK MERV 8 Actual Size 22 x 56.5 x .75" - FK22x56.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x56x1-air-filter-4-pack-merv-8-actual-size-22-x-56-x-75-fk22x56x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_cb0e0c13-749d-4117-9111-65d46dd6be0d.jpg?v=1781243064 Filter King 22x56x1 Air Filter 4-PACK MERV 8 Actual Size 22 x 56 x .75" - FK22x56x1A-M8 -4 Filter King 22x56x1 Air Filter 4-PACK MERV 8 Actual Size 22 x 56 x .75" - FK22x56x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x57-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-57-5-x-75-fk22x57-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ca99cea2-aa57-469e-a078-a749a9f5d674.jpg?v=1781243063 Filter King 22x57.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 57.5 x .75" - FK22x57.5x1A-M8 -4 Filter King 22x57.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 57.5 x .75" - FK22x57.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x57x1-air-filter-4-pack-merv-8-actual-size-22-x-57-x-75-fk22x57x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_eed592c7-4d69-4e64-8a8a-d3c96b46b1ba.jpg?v=1781243060 Filter King 22x57x1 Air Filter 4-PACK MERV 8 Actual Size 22 x 57 x .75" - FK22x57x1A-M8 -4 Filter King 22x57x1 Air Filter 4-PACK MERV 8 Actual Size 22 x 57 x .75" - FK22x57x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x58-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-58-5-x-75-fk22x58-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ab4951cf-7ae2-423e-94f0-d683a6efe70e.jpg?v=1781243059 Filter King 22x58.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 58.5 x .75" - FK22x58.5x1A-M8 -4 Filter King 22x58.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 58.5 x .75" - FK22x58.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x58x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-58-x-75-fk22x58x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_137cd24a-9c17-439c-a5fa-dd1d27f1ab44.jpg?v=1781243058 Filter King 22x58x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 58 x .75" - FK22x58x1A-M8 -4 Filter King 22x58x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 58 x .75" - FK22x58x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x59-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-59-5-x-75-fk22x59-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_af0811f9-6896-4201-a31f-4cf8b9f4abba.jpg?v=1781243057 Filter King 22x59.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 59.5 x .75" - FK22x59.5x1A-M8-4 Filter King 22x59.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 59.5 x .75" - FK22x59.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-22x59x1-air-filter-4-pack-merv-8-actual-size-22-x-59-x-75-fk22x59x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1abe7ef8-3c37-4e7c-9838-ee8dc2a4238a.jpg?v=1781243057 Filter King 22x59x1 Air Filter 4-PACK MERV 8 Actual Size 22 x 59 x .75" - FK22x59x1A-M8 -4 Filter King 22x59x1 Air Filter 4-PACK MERV 8 Actual Size 22 x 59 x .75" - FK22x59x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-5-x-75-fk22x5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ff198909-016f-4093-969d-5b4f2d6c06b1.jpg?v=1781243056 Filter King 22x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 5 x .75" - FK22x5x1A-M8 -4 Filter King 22x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 5 x .75" - FK22x5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x6-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-6-5-x-75-fk22x6-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7eefbc56-5ae6-4df6-b69b-3da6a9447b6d.jpg?v=1781243055 Filter King 22x6.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 6.5 x .75" - FK22x6.5x1A-M8 -4 Filter King 22x6.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 6.5 x .75" - FK22x6.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x61-5x1-air-filter-4-pack-merv-8-actual-size-22-x-61-5-x-75-fk22x61-5x1a-m8 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a1bd9275-b0f1-4f8c-a83e-b515199a0213.jpg?v=1781243054 Filter King 22x61.5x1 Air Filter 4-PACK MERV 8 Actual Size 22 x 61.5 x .75" - FK22x61.5x1A-M8 - Filter King 22x61.5x1 Air Filter 4-PACK MERV 8 Actual Size 22 x 61.5 x .75" - FK22x61.5x1A-M8 - https://hvacdirectusa.com/products/filter-king-22x61x1-air-filter-4-pack-merv-8-actual-size-22-x-61-x-75-fk22x61x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2fdb1722-89ea-43a7-a209-b138b0a0f9dd.jpg?v=1781243053 Filter King 22x61x1 Air Filter 4-PACK MERV 8 Actual Size 22 x 61 x .75" - FK22x61x1A-M8 - 4 Filter King 22x61x1 Air Filter 4-PACK MERV 8 Actual Size 22 x 61 x .75" - FK22x61x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-22x62-5x1-air-filter-4-pack-merv-8-actual-size-22-x-62-5-x-75-fk22x62-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_443b25bd-73c5-4539-b0ae-6187eefa7b28.jpg?v=1781243053 Filter King 22x62.5x1 Air Filter 4-PACK MERV 8 Actual Size 22 x 62.5 x .75" - FK22x62.5x1A-M8 -4 Filter King 22x62.5x1 Air Filter 4-PACK MERV 8 Actual Size 22 x 62.5 x .75" - FK22x62.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x62x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-62-x-75-fk22x62x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ba3e8387-8dfd-46fd-87a4-9b448824994b.jpg?v=1781243052 Filter King 22x62x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 62 x .75" - FK22x62x1A-M8 -4 Filter King 22x62x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 62 x .75" - FK22x62x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x63-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-63-5-x-75-fk22x63-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ca6d95c4-ad0a-4f3d-8c20-ecad73731efd.jpg?v=1781243052 Filter King 22x63.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 63.5 x .75" - FK22x63.5x1A-M8 -4 Filter King 22x63.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 63.5 x .75" - FK22x63.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x63x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-63-x-75-fk22x63x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_fd20025d-38a3-4c32-952e-f46aea9bb482.jpg?v=1781243051 Filter King 22x63x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 63 x .75" - FK22x63x1A-M8 -4 Filter King 22x63x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 63 x .75" - FK22x63x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x64-5x1-air-filter-4-pack-merv-8-actual-size-22-x-64-5-x-75-fk22x64-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_737aee10-c487-4bfb-aa0b-050ea6480b7d.jpg?v=1781243050 Filter King 22x64.5x1 Air Filter 4-PACK MERV 8 Actual Size 22 x 64.5 x .75" - FK22x64.5x1A-M8 -4 Filter King 22x64.5x1 Air Filter 4-PACK MERV 8 Actual Size 22 x 64.5 x .75" - FK22x64.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x64x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-64-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a5d374e8-0554-4fa8-ba8e-b415ecd98587.jpg?v=1781243049 Filter King 22x64x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 64 x .75" Filter King 22x64x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 64 x .75" https://hvacdirectusa.com/products/filter-king-22x66-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-66-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c5e995b9-377e-4d89-8a7d-00814d04630b.jpg?v=1781243048 Filter King 22x66.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 66.5 x .75" Filter King 22x66.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 66.5 x .75" https://hvacdirectusa.com/products/filter-king-22x66x1-air-filter-4-pack-merv-8-actual-size-22-x-66-x-75-fk22x66x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5f521aeb-190c-497b-a80c-e2a0f9f350eb.jpg?v=1781243047 Filter King 22x66x1 Air Filter 4-PACK MERV 8 Actual Size 22 x 66 x .75" - FK22x66x1A-M8 -4 Filter King 22x66x1 Air Filter 4-PACK MERV 8 Actual Size 22 x 66 x .75" - FK22x66x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x6x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-6-x-75-fk22x6x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5b6f1350-dce9-4c7d-816b-6f1b86319f38.jpg?v=1781243046 Filter King 22x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 6 x .75" - FK22x6x1A-M8 -4 Filter King 22x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 6 x .75" - FK22x6x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x7-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-7-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ab9c68bd-5351-4308-a3fb-9e3304fde028.jpg?v=1781243046 Filter King 22x7.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 7.5 x .75" Filter King 22x7.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 7.5 x .75" https://hvacdirectusa.com/products/filter-king-22x8-5x1-air-filter-4-pack-merv-8-actual-size-22-x-8-5-x-75-fk22x8-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b243cd71-338f-4c51-95ec-bb08c945cfad.jpg?v=1781243045 Filter King 22x8.5x1 Air Filter 4-PACK MERV 8 Actual Size 22 x 8.5 x .75" - FK22x8.5x1A-M8 -4 Filter King 22x8.5x1 Air Filter 4-PACK MERV 8 Actual Size 22 x 8.5 x .75" - FK22x8.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x8x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-8-x-75-fk22x8x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_eb1429c4-c922-4de2-9fe2-aaf179d4ee4e.jpg?v=1781243044 Filter King 22x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 8 x .75" - FK22x8x1A-M8 -4 Filter King 22x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 8 x .75" - FK22x8x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x9-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-9-5-x-75-fk22x9-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2ede78bd-8032-471f-9a08-0866eb7a62c0.jpg?v=1781243044 Filter King 22x9.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 9.5 x .75" - FK22x9.5x1A-M8 -4 Filter King 22x9.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 9.5 x .75" - FK22x9.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-22x9x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-9-x-75-fk22x9x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_34c510b5-2fcd-4d15-a42a-e17b8612851a.jpg?v=1781243043 Filter King 22x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 9 x .75" - FK22x9x1A-M8 -4 Filter King 22x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 9 x .75" - FK22x9x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x10-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-10-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_09e462ce-d364-4965-bdec-8fba20bbe845.jpg?v=1781243042 Filter King 23.5x10.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 10.5 x .75" Filter King 23.5x10.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 10.5 x .75" https://hvacdirectusa.com/products/filter-king-23-5x10x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-10-x-75-fk23-5x10x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_94b97c71-14d1-4ad6-9bca-3a70642126d6.jpg?v=1781243041 Filter King 23.5x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 10 x .75" - FK23.5x10x1A-M8-4 Filter King 23.5x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 10 x .75" - FK23.5x10x1A-M8-4 https://hvacdirectusa.com/products/filter-king-23-5x11-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-11-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_fa42482c-b870-43c8-b82c-53e0525c74fa.jpg?v=1781243041 Filter King 23.5x11.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 11.5 x .75" Filter King 23.5x11.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 11.5 x .75" https://hvacdirectusa.com/products/filter-king-23-5x11x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-11-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e02e511b-3d2d-47fc-8cf3-03133c72c68c.jpg?v=1781243040 Filter King 23.5x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 11 x .75" Filter King 23.5x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 11 x .75" https://hvacdirectusa.com/products/filter-king-23-5x12-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-12-5-x-75-fk23-5x12-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d9321c2b-3897-4a2c-9194-be952a8665a5.jpg?v=1781243039 Filter King 23.5x12.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 12.5 x .75" - FK23.5x12.5x1A-M8 - 4 Filter King 23.5x12.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 12.5 x .75" - FK23.5x12.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-23-5x12x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-12-x-75-fk23-5x12x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0bcc9798-2126-4072-94ab-9a2336655840.jpg?v=1781243038 Filter King 23.5x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 12 x .75" - FK23.5x12x1A-M8 -4 Filter King 23.5x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 12 x .75" - FK23.5x12x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x13-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-13-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9707c184-446d-41ba-b8c2-4b9430faf24c.jpg?v=1781243038 Filter King 23.5x13.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 13.5 x .75" Filter King 23.5x13.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 13.5 x .75" https://hvacdirectusa.com/products/filter-king-23-5x13x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-13-x-75-fk23-5x13x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_21e959df-f41d-42a5-b880-7dd2757ed1f8.jpg?v=1781243036 Filter King 23.5x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 13 x .75" - FK23.5x13x1A-M8 -4 Filter King 23.5x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 13 x .75" - FK23.5x13x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x14-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-14-5-x-75-fk23-5x14-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5bf49679-c02f-41e6-8c70-5147cd72a42e.jpg?v=1781243036 Filter King 23.5x14.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 14.5 x .75" - FK23.5x14.5x1A-M8 -4 Filter King 23.5x14.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 14.5 x .75" - FK23.5x14.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x14x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-14-x-75-fk23-5x14x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ae097ac9-e6fb-4f4d-a2e0-8d2a2ddaba8d.jpg?v=1781243037 Filter King 23.5x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 14 x .75" - FK23.5x14x1A-M8 -4 Filter King 23.5x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 14 x .75" - FK23.5x14x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x15-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-15-5-x-75-4-8-stars-out-of-5-reviews-4-8-5-ratings 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6fb11d40-3e86-4ff6-a765-ed3c69ef6271.jpg?v=1781243034 Filter King 23.5x15.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 15.5 x .75" 4.8 stars out of 5 reviews (4.8)| 5 ratings Filter King 23.5x15.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 15.5 x .75" 4.8 stars out of 5 reviews (4.8)| 5 ratings https://hvacdirectusa.com/products/filter-king-23-5x16-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-16-5-x-75-fk23-5x16-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f6b9e928-7ce9-417a-94ab-fe9bd609f02b.jpg?v=1781243033 Filter King 23.5x16.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 16.5 x .75" - FK23.5x16.5x1A-M8 -4 Filter King 23.5x16.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 16.5 x .75" - FK23.5x16.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x16x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-16-x-75-fk23-5x16x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_43c1cdbb-5de4-430c-8a6f-6fdb8f0ff4c7.jpg?v=1781243032 Filter King 23.5x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 16 x .75" - FK23.5x16x1A-M8-4 Filter King 23.5x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 16 x .75" - FK23.5x16x1A-M8-4 https://hvacdirectusa.com/products/filter-king-23-5x17-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-17-5-x-75-fk23-5x17-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_fd78d095-8c46-49df-a5e7-364099ccd359.jpg?v=1781243032 Filter King 23.5x17.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 17.5 x .75" - FK23.5x17.5x1A-M8 -4 Filter King 23.5x17.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 17.5 x .75" - FK23.5x17.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x17x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-17-x-75-fk23-5x17x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_77dbcd05-859e-4c1c-bdef-615bb783082d.jpg?v=1781243031 Filter King 23.5x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 17 x .75" - FK23.5x17x1A-M8 -4 Filter King 23.5x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 17 x .75" - FK23.5x17x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x18-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-18-5-x-75-fk23-5x18-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7fcb4276-6788-4b0b-b499-888e8cc891d7.jpg?v=1781243030 Filter King 23.5x18.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 18.5 x .75" - FK23.5x18.5x1A-M8 -4 Filter King 23.5x18.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 18.5 x .75" - FK23.5x18.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x18x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-18-x-75-fk23-5x18x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0cb7379b-8005-400a-ace5-370459006157.jpg?v=1781243029 Filter King 23.5x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 18 x .75" - FK23.5x18x1A-M8 -4 Filter King 23.5x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 18 x .75" - FK23.5x18x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x19-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-19-5-x-75-fk23-5x19-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_76a4d162-cd23-4e68-b9e1-8af4a4efeb76.jpg?v=1781243029 Filter King 23.5x19.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 19.5 x .75" - FK23.5x19.5x1A-M8 -4 Filter King 23.5x19.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 19.5 x .75" - FK23.5x19.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x19x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-19-x-75-fk23-5x19x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e12be820-e525-4cda-beed-f57cf9b71295.jpg?v=1781243027 Filter King 23.5x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 19 x .75" - FK23.5x19x1A-M8 -4 Filter King 23.5x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 19 x .75" - FK23.5x19x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x20-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-20-5-x-75-fk23-5x20-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_03c84043-6a0e-4226-b7c1-3dde71872a22.jpg?v=1781243027 Filter King 23.5x20.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 20.5 x .75" - FK23.5x20.5x1A-M8 -4 Filter King 23.5x20.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 20.5 x .75" - FK23.5x20.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x20x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-20-x-75-fk23-5x20x1a-m8-5 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_105f581e-88ce-469b-9373-55e3ede2ffd4.jpg?v=1781243026 Filter King 23.5x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 20 x .75" - FK23.5x20x1A-M8 -4 Filter King 23.5x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 20 x .75" - FK23.5x20x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x21-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-21-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5108047f-91ea-4d18-b5af-3b37e9826efa.jpg?v=1781243025 Filter King 23.5x21.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 21.5 x .75" Filter King 23.5x21.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 21.5 x .75" https://hvacdirectusa.com/products/filter-king-23-5x21x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-21-x-75-fk23-5x21x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e0fc9791-eb8f-4ef5-ad9a-46ffa3a1a46e.jpg?v=1781243025 Filter King 23.5x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 21 x .75" - FK23.5x21x1A-M8 -4 Filter King 23.5x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 21 x .75" - FK23.5x21x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x22-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-22-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ac1566bd-4a46-4ee9-bd39-aceed38233c8.jpg?v=1781243024 Filter King 23.5x22.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 22.5 x .75" Filter King 23.5x22.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 22.5 x .75" https://hvacdirectusa.com/products/filter-king-23-5x22x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-22-x-76 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_876e7632-3a8d-46ff-8b06-872029e135a4.jpg?v=1781243023 Filter King 23.5x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 22 x .75" Filter King 23.5x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 22 x .75" https://hvacdirectusa.com/products/filter-king-23-5x23-5x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-23-5-x-75-fk23-5x23-5x1a-m8-3 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f0d73237-dfb1-4267-96ed-2a1b6a467962.jpg?v=1781243022 Filter King 23.5x23.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 23.5 x .75" - FK23.5x23.5x1A-M8 -3 Filter King 23.5x23.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 23.5 x .75" - FK23.5x23.5x1A-M8 -3 https://hvacdirectusa.com/products/filter-king-23-5x23-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-23-5-x-75-fk23-5x23-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_edf67240-48e0-41a3-b1a0-ff5cfd140f4a.jpg?v=1781243021 Filter King 23.5x23.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 23.5 x .75" - FK23.5x23.5x1A-M8 -4 Filter King 23.5x23.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 23.5 x .75" - FK23.5x23.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x23x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-23-x-75-fk23-5x23x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6d3d99d7-0a09-403d-9f1b-172e06b8caf3.jpg?v=1781243021 Filter King 23.5x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 23 x .75" - FK23.5x23x1A-M8 -4 Filter King 23.5x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 23 x .75" - FK23.5x23x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x24-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-24-5-x-75-fk23-5x24-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ec9d7d83-a5e8-4f3a-a4b4-2a3160fe09ff.jpg?v=1781243020 Filter King 23.5x24.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 24.5 x .75" - FK23.5x24.5x1A-M8 - 4 Filter King 23.5x24.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 24.5 x .75" - FK23.5x24.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-23-5x24-5x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-24-5-x-75-fk23-5x24-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_21c5faf9-13ea-41a0-8553-d400c6efcc8a.jpg?v=1781243019 Filter King 23.5x24.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 24.5 x .75" - FK23.5x24.5x1A-M8 -4 Filter King 23.5x24.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 24.5 x .75" - FK23.5x24.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x24-5x2-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-24-5-x-1-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_25818de1-9b8f-496a-a827-ec73f3b366b0.jpg?v=1781243019 Filter King 23.5x24.5x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 24.5 x 1.75 Filter King 23.5x24.5x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 24.5 x 1.75 https://hvacdirectusa.com/products/filter-king-23-5x24-5x4-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-24-5-x-3-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3a5205bf-24e8-45a6-9b33-08e3d6c781dc.jpg?v=1781243018 Filter King 23.5x24.5x4 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 24.5 x 3.75" Filter King 23.5x24.5x4 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 24.5 x 3.75" https://hvacdirectusa.com/products/filter-king-23-5x24x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-24-x-75-fk23-5x24x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4503826a-83fd-425d-9424-d1c796c5cd2d.jpg?v=1781243017 Filter King 23.5x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 24 x .75" - FK23.5x24x1A-M8 -4 Filter King 23.5x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 24 x .75" - FK23.5x24x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x25-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-25-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_af0e8702-0c2d-4843-99f5-60955f20c7f4.jpg?v=1781243016 Filter King 23.5x25.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 25.5 x .75" Filter King 23.5x25.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 25.5 x .75" https://hvacdirectusa.com/products/filter-king-23-5x26-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-26-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0d53340e-def9-4696-ad5b-9d71003e7fd1.jpg?v=1781243015 Filter King 23.5x26.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 26.5 x .75" Filter King 23.5x26.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 26.5 x .75" https://hvacdirectusa.com/products/filter-king-23-5x15x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-15-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9ccd2647-e0a8-4377-97fd-b685a232c27c.jpg?v=1781243015 Filter King 23.5x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 15 x .75 Filter King 23.5x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 15 x .75 https://hvacdirectusa.com/products/filter-king-23-5x27-5x2-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-27-5-x-1-75-fk23-5x27-5x2a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_184ebca7-0749-4bc1-b54a-8cb0c6951d46.jpg?v=1781243014 Filter King 23.5x27.5x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 27.5 x 1.75" - FK23.5x27.5x2A-M8 -4 Filter King 23.5x27.5x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 27.5 x 1.75" - FK23.5x27.5x2A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x28-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-28-5-x-75-fk23-5x28-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0b3a98f3-855f-4154-a424-eb872c5a3317.jpg?v=1781243013 Filter King 23.5x28.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 28.5 x .75" - FK23.5x28.5x1A-M8 -4 Filter King 23.5x28.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 28.5 x .75" - FK23.5x28.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x28x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-28-x-75-fk23-5x28x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_494e04e1-f635-4ad9-a75c-0ff6a606577a.jpg?v=1781243012 Filter King 23.5x28x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 28 x .75" - FK23.5x28x1A-M8 -4 Filter King 23.5x28x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 28 x .75" - FK23.5x28x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x29-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-29-5-x-75-fk23-5x29-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d6d6466e-b8c5-4df3-8950-ee8a8059e0b2.jpg?v=1781243012 Filter King 23.5x29.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 29.5 x .75" - FK23.5x29.5x1A-M8 -4 Filter King 23.5x29.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 29.5 x .75" - FK23.5x29.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x29-5x2-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-29-5-x-1-76 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_afa063ec-5c0c-485c-8122-a866be52b5ce.jpg?v=1781243011 Filter King 23.5x29.5x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 29.5 x 1.75" Filter King 23.5x29.5x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 29.5 x 1.75" https://hvacdirectusa.com/products/filter-king-23-5x29x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-29-x-75-fk23-5x29x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ff1ce0be-02b6-421e-ac21-dbd1461695b3.jpg?v=1781243010 Filter King 23.5x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 29 x .75" - FK23.5x29x1A-M8 -4 Filter King 23.5x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 29 x .75" - FK23.5x29x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x30-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-30-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e5e8ef14-d6bf-478a-aadb-efba093bee23.jpg?v=1781243009 Filter King 23.5x30.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 30.5 x .75" Filter King 23.5x30.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 30.5 x .75" https://hvacdirectusa.com/products/filter-king-23-5x30-75x1-air-filter-merv-8-6-pack-dust-allergy-control-ac-furnace-filters-made-in-usa-hvac-pleated-electrostatic-actual-size-23-5-x-30-75-x-75-fk23-5x30-5x1a-m8-5 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_46feaff4-e0f0-4d53-949f-488334751905.jpg?v=1781243009 Filter King 23.5x30.75x1 Air Filter (MERV 8) (6-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 23.5 x 30.75 x .75) - FK23.5x30.5x1A-M8-5 Filter King 23.5x30.75x1 Air Filter (MERV 8) (6-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 23.5 x 30.75 x .75) - FK23.5x30.5x1A-M8-5 https://hvacdirectusa.com/products/filter-king-23-5x30x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-30-x-75-fk23-5x30x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0c759f67-a19a-4994-b917-4cf0e4663c10.jpg?v=1781243008 Filter King 23.5x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 30 x .75" - FK23.5x30x1A-M8 -4 Filter King 23.5x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 30 x .75" - FK23.5x30x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x31-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-31-5-x-75-fk23-5x31-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_23be911d-6c08-4e18-a081-543948a13914.jpg?v=1781243007 Filter King 23.5x31.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 31.5 x .75" - FK23.5x31.5x1A-M8 -4 Filter King 23.5x31.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 31.5 x .75" - FK23.5x31.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x31x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-31-x-75-fk23-5x31x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8b1ae143-2215-42eb-bbd3-173f55eec10f.jpg?v=1781243006 Filter King 23.5x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 31 x .75" - FK23.5x31x1A-M8 - 4 Filter King 23.5x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 31 x .75" - FK23.5x31x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-23-5x32-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-32-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5e50df6b-11fa-4343-a0ae-7ac368d2f563.jpg?v=1781243005 Filter King 23.5x32.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 32.5 x .75" Filter King 23.5x32.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 32.5 x .75" https://hvacdirectusa.com/products/filter-king-23-5x32x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-32-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2ba0a2ff-c37d-4e71-b1c4-b8d335f3ee53.jpg?v=1781243004 Filter King 23.5x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 32 x .75" Filter King 23.5x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 32 x .75" https://hvacdirectusa.com/products/filter-king-23-5x33-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-33-5-x-75-fk23-5x33-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_401d68ae-443d-40b8-baa3-7f57f7d6f8c5.jpg?v=1781243003 Filter King 23.5x33.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 33.5 x .75" - FK23.5x33.5x1A-M8 -4 Filter King 23.5x33.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 33.5 x .75" - FK23.5x33.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x34-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-34-5-x-75-fk23-5x34-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_69654a1c-016f-4a9d-92c9-63f09353dcf8.jpg?v=1781243003 Filter King 23.5x34.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 34.5 x .75" - FK23.5x34.5x1A-M8 -4 Filter King 23.5x34.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 34.5 x .75" - FK23.5x34.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x34x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-34-x-75-fk23-5x34x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7a148dd3-1878-4361-ab59-fffe743bd0b9.jpg?v=1781243002 Filter King 23.5x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 34 x .75" - FK23.5x34x1A-M8 -4 Filter King 23.5x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 34 x .75" - FK23.5x34x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x35-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-35-5-x-75-fk23-5x35-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8dace422-b05e-4a0b-8e0b-62571cb1f521.jpg?v=1781243000 Filter King 23.5x35.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 35.5 x .75" - FK23.5x35.5x1A-M8 - 4 Filter King 23.5x35.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 35.5 x .75" - FK23.5x35.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-23-5x35-5x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-35-5-x-75-fk23-5x35-5x1a-m8-3 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_495d07a4-a126-4e33-9cf4-3d950d174393.jpg?v=1781242998 Filter King 23.5x35.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 35.5 x .75" - FK23.5x35.5x1A-M8 -3 Filter King 23.5x35.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 35.5 x .75" - FK23.5x35.5x1A-M8 -3 https://hvacdirectusa.com/products/filter-king-23-5x35-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-35-5-x-76 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4b3095eb-84be-499f-8e2d-bcf06b8426ad.jpg?v=1781242997 Filter King 23.5x35.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 35.5 x .75" Filter King 23.5x35.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 35.5 x .75" https://hvacdirectusa.com/products/filter-king-23-5x35x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-35-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_489894ef-fdf9-41ff-ad65-a0cbdc0d5b8e.jpg?v=1781242996 Filter King 23.5x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 35 x .75" Filter King 23.5x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 35 x .75" https://hvacdirectusa.com/products/filter-king-23-5x37-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-37-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c622b25e-077d-4912-9855-26941f667a3e.jpg?v=1781242995 Filter King 23.5x37.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 37.5 x .75" Filter King 23.5x37.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 37.5 x .75" https://hvacdirectusa.com/products/filter-king-23-5x37x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-37-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e9257480-7401-4803-a667-78aaaeed31e7.jpg?v=1781242994 Filter King 23.5x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 37 x .75" Filter King 23.5x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 37 x .75" https://hvacdirectusa.com/products/filter-king-23-5x38-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-38-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_cffcab51-c06f-4cd6-a460-963abd52a5b2.jpg?v=1781242993 Filter King 23.5x38.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 38.5 x .75" Filter King 23.5x38.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 38.5 x .75" https://hvacdirectusa.com/products/filter-king-23-5x39-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-39-5-x-75-fk23-5x39-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d268c2f2-f2e6-4332-a660-52c4d445b6ea.jpg?v=1781242991 Filter King 23.5x39.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 39.5 x .75" - FK23.5x39.5x1A-M8 -4 Filter King 23.5x39.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 39.5 x .75" - FK23.5x39.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x40-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-40-5-x-75-fk23-5x40-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_55bacc83-8955-4bf6-82f9-135b1876f52b.jpg?v=1781242990 Filter King 23.5x40.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 40.5 x .75" - FK23.5x40.5x1A-M8 -4 Filter King 23.5x40.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 40.5 x .75" - FK23.5x40.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x40x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-40-x-75-fk23-5x40x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2fa4e5c3-b2c2-49da-9b82-fc8b61900433.jpg?v=1781242989 Filter King 23.5x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 40 x .75" - FK23.5x40x1A-M8 - 4 Filter King 23.5x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 40 x .75" - FK23.5x40x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-23-5x41x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-41-x-75-fk23-5x41x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_77ddcf2e-efd3-459c-b0a1-6fec05431328.jpg?v=1781242988 Filter King 23.5x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 41 x .75" - FK23.5x41x1A-M8 -4 Filter King 23.5x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 41 x .75" - FK23.5x41x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x42-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-42-5-x-75-fk23-5x42-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0db58af5-a3c3-49ce-bc13-a6c10abd62f3.jpg?v=1781242987 Filter King 23.5x42.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 42.5 x .75" - FK23.5x42.5x1A-M8-4 Filter King 23.5x42.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 42.5 x .75" - FK23.5x42.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-23-5x42x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-42-x-75-fk23-5x42x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6a5b3bb8-5618-43f4-aece-7b7e41efda5d.jpg?v=1781242987 Filter King 23.5x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 42 x .75" - FK23.5x42x1A-M8 -4 Filter King 23.5x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 42 x .75" - FK23.5x42x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x43-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-43-5-x-75-fk23-5x43-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e2125088-a5d7-4f01-b62a-c6a78210b16a.jpg?v=1781242986 Filter King 23.5x43.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 43.5 x .75" - FK23.5x43.5x1A-M8 -4 Filter King 23.5x43.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 43.5 x .75" - FK23.5x43.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x43x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-43-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_88faa2a9-d5dd-4ca5-b403-12741a5b3a30.jpg?v=1781242985 Filter King 23.5x43x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 43 x .75" Filter King 23.5x43x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 43 x .75" https://hvacdirectusa.com/products/filter-king-23-5x44-5x1-air-filter-4-pack-merv-8-actual-size-23-5-x-44-5-x-75-fk23-5x44-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e4c4bfe5-fe59-4916-aaa1-ea56528d3c02.jpg?v=1781242985 Filter King 23.5x44.5x1 Air Filter 4-PACK MERV 8 Actual Size 23.5 x 44.5 x .75" - FK23.5x44.5x1A-M8 -4 Filter King 23.5x44.5x1 Air Filter 4-PACK MERV 8 Actual Size 23.5 x 44.5 x .75" - FK23.5x44.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x45-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-45-5-x-75-fk23-5x45-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0ed06ef9-09cd-4cd1-b603-f1386896ce4d.jpg?v=1781242984 Filter King 23.5x45.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 45.5 x .75" - FK23.5x45.5x1A-M8 -4 Filter King 23.5x45.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 45.5 x .75" - FK23.5x45.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x46-5x1-air-filter-4-pack-merv-8-actual-size-23-5-x-46-5-x-75-fk23-5x46-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4f671db1-df2e-4da4-ae76-d1c449d1079b.jpg?v=1781242983 Filter King 23.5x46.5x1 Air Filter 4-PACK MERV 8 Actual Size 23.5 x 46.5 x .75" - FK23.5x46.5x1A-M8 -4 Filter King 23.5x46.5x1 Air Filter 4-PACK MERV 8 Actual Size 23.5 x 46.5 x .75" - FK23.5x46.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x46x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-46-x-75-fk23-5x46x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_39be843e-2731-416a-93a9-90efd77df844.jpg?v=1781242982 Filter King 23.5x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 46 x .75" - FK23.5x46x1A-M8 -4 Filter King 23.5x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 46 x .75" - FK23.5x46x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x47-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-47-5-x-75-fk23-5x47-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f1bf75f3-aca3-4e72-8bcb-46f0a2f0e976.jpg?v=1781242981 Filter King 23.5x47.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 47.5 x .75" - FK23.5x47.5x1A-M8 -4 Filter King 23.5x47.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 47.5 x .75" - FK23.5x47.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x47x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-47-x-75-fk23-5x47x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_642a29c3-3a60-4039-8af3-dbe7e1750827.jpg?v=1781242980 Filter King 23.5x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 47 x .75" - FK23.5x47x1A-M8 -4 Filter King 23.5x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 47 x .75" - FK23.5x47x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x48-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-48-5-x-75-fk23-5x48-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_cb672911-f55e-424c-b85d-bdf4a395d205.jpg?v=1781242980 Filter King 23.5x48.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 48.5 x .75" - FK23.5x48.5x1A-M8 -4 Filter King 23.5x48.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 48.5 x .75" - FK23.5x48.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x49-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-49-5-x-75-fk23-5x49-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a580903d-f159-43bd-92b2-71cc78e39b8f.jpg?v=1781242979 Filter King 23.5x49.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 49.5 x .75" - FK23.5x49.5x1A-M8 -4 Filter King 23.5x49.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 49.5 x .75" - FK23.5x49.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x49x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-49-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b8eae48f-da9d-4ade-ab9f-5523764abcc0.jpg?v=1781242978 Filter King 23.5x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 49 x .75" Filter King 23.5x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 49 x .75" https://hvacdirectusa.com/products/filter-king-23-5x4x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-4-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_98e1d87f-aa13-4c16-8119-7e3a3697a13f.jpg?v=1781242977 Filter King 23.5x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 4 x .75" Filter King 23.5x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 4 x .75" https://hvacdirectusa.com/products/filter-king-23-5x5-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-5-5-x-75-fk23-5x5-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_270a0892-8d9c-4617-aac4-065371a38541.jpg?v=1781242976 Filter King 23.5x5.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 5.5 x .75" - FK23.5x5.5x1A-M8 -4 Filter King 23.5x5.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 5.5 x .75" - FK23.5x5.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x50-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-50-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0dcedaab-6a1e-4e0e-8129-f03d5b93f76d.jpg?v=1781242976 Filter King 23.5x50.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 50.5 x .75" Filter King 23.5x50.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 50.5 x .75" https://hvacdirectusa.com/products/filter-king-23-5x52-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-52-5-x-75-fk23-5x52-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_78cfb57e-268a-41a4-a122-1e347d253594.jpg?v=1781242975 Filter King 23.5x52.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 52.5 x .75" - FK23.5x52.5x1A-M8 -4 Filter King 23.5x52.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 52.5 x .75" - FK23.5x52.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x53x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-53-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_015ae398-d8e9-436a-97d9-e295fdeee482.jpg?v=1781242974 Filter King 23.5x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 53 x .75" Filter King 23.5x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 53 x .75" https://hvacdirectusa.com/products/filter-king-23-5x54-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-54-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9338c943-e073-4c52-bb8c-b32051777d26.jpg?v=1781242974 Filter King 23.5x54.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 54.5 x .75" Filter King 23.5x54.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 54.5 x .75" https://hvacdirectusa.com/products/filter-king-23-5x55-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-55-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_35973ea7-c8e1-439c-8492-6fcdfe96c59a.jpg?v=1781242970 Filter King 23.5x55.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 55.5 x .75" Filter King 23.5x55.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 55.5 x .75" https://hvacdirectusa.com/products/filter-king-23-5x55x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-55-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4f12c51b-dd8c-4876-b032-9840de0883bc.jpg?v=1781242969 Filter King 23.5x55x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 55 x .75" Filter King 23.5x55x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 55 x .75" https://hvacdirectusa.com/products/filter-king-23-5x56-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-56-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ed181388-e21b-4d3e-b0d5-317e5e99130a.jpg?v=1781242968 Filter King 23.5x56.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 56.5 x .75" Filter King 23.5x56.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 56.5 x .75" https://hvacdirectusa.com/products/filter-king-23-5x57-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-57-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_14dd7bcb-92b7-48f5-82a6-e506ccf2ce27.jpg?v=1781242967 Filter King 23.5x57.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 57.5 x .75" Filter King 23.5x57.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 57.5 x .75" https://hvacdirectusa.com/products/filter-king-23-5x57x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-57-x-75-fk23-5x57x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_47d27401-2853-467e-bed3-67416f306f39.jpg?v=1781242966 Filter King 23.5x57x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 57 x .75" - FK23.5x57x1A-M8 - 4 Filter King 23.5x57x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 57 x .75" - FK23.5x57x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-23-5x58x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-58-x-75-fk23-5x58x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_fd444caf-8c1a-4816-a92d-db78639da2a5.jpg?v=1781242965 Filter King 23.5x58x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 58 x .75" - FK23.5x58x1A-M8 -4 Filter King 23.5x58x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 58 x .75" - FK23.5x58x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x59-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-59-5-x-75-fk23-5x59-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_05d6261f-cf1c-4a18-a829-39d0e8f59b05.jpg?v=1781242964 Filter King 23.5x59.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 59.5 x .75" - FK23.5x59.5x1A-M8-4 Filter King 23.5x59.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 59.5 x .75" - FK23.5x59.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-23-5x5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-5-x-75-fk23-5x5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6dd0fc46-d9f5-4b33-b0bd-06de792ef280.jpg?v=1781242963 Filter King 23.5x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 5 x .75" - FK23.5x5x1A-M8 -4 Filter King 23.5x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 5 x .75" - FK23.5x5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x60-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-60-5-x-75-fk23-5x60-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_077ea9a3-3760-42ea-a924-42a599d52546.jpg?v=1781242962 Filter King 23.5x60.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 60.5 x .75" - FK23.5x60.5x1A-M8 -4 Filter King 23.5x60.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 60.5 x .75" - FK23.5x60.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x60x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-60-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9729e6ae-30c7-4d8b-bab1-912c328d7bc8.jpg?v=1781242961 Filter King 23.5x60x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 60 x .75" Filter King 23.5x60x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 60 x .75" https://hvacdirectusa.com/products/filter-king-23-5x61-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-61-5-x-75-fk23-5x61-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_16dfb739-d755-49e6-9944-a500091b2d14.jpg?v=1781242960 Filter King 23.5x61.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 61.5 x .75" - FK23.5x61.5x1A-M8 -4 Filter King 23.5x61.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 61.5 x .75" - FK23.5x61.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x62-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-62-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8d509ba7-dbb2-4c20-b540-328c3be5e2f2.jpg?v=1781242960 Filter King 23.5x62.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 62.5 x .75" Filter King 23.5x62.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 62.5 x .75" https://hvacdirectusa.com/products/filter-king-23-5x63-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-63-5-x-75-fk23-5x63-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_aa8f5750-4301-4511-8e7c-153b8dc3c853.jpg?v=1781242959 Filter King 23.5x63.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 63.5 x .75" - FK23.5x63.5x1A-M8-4 Filter King 23.5x63.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 63.5 x .75" - FK23.5x63.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-23-5x64-5x1-air-filter-4-pack-merv-8-actual-size-23-5-x-64-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b2ed9fcb-16ef-4b78-929e-568d3af11f02.jpg?v=1781242958 Filter King 23.5x64.5x1 Air Filter 4-PACK MERV 8 Actual Size 23.5 x 64.5 x .75" Filter King 23.5x64.5x1 Air Filter 4-PACK MERV 8 Actual Size 23.5 x 64.5 x .75" https://hvacdirectusa.com/products/filter-king-23-5x66-5x1-air-filter-4-pack-merv-8-actual-size-23-5-x-66-5-x-75-fk23-5x66-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f780cc62-edbb-4d79-a602-554998ebfd6c.jpg?v=1781242957 Filter King 23.5x66.5x1 Air Filter 4-PACK MERV 8 Actual Size 23.5 x 66.5 x .75" - FK23.5x66.5x1A-M8 -4 Filter King 23.5x66.5x1 Air Filter 4-PACK MERV 8 Actual Size 23.5 x 66.5 x .75" - FK23.5x66.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x6x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-6-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_895324af-05b4-464b-bce3-415b5aec1acc.jpg?v=1781242956 Filter King 23.5x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 6 x .75" Filter King 23.5x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 6 x .75" https://hvacdirectusa.com/products/filter-king-23-5x7-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-7-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6ba44654-fd51-400a-9e4d-bd276107c840.jpg?v=1781242955 Filter King 23.5x7.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 7.5 x .75" Filter King 23.5x7.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 7.5 x .75" https://hvacdirectusa.com/products/filter-king-23-5x8-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-8-5-x-75-fk23-5x8-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5a519a48-c87e-4eab-bba7-ba15ebf53d0f.jpg?v=1781242954 Filter King 23.5x8.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 8.5 x .75" - FK23.5x8.5x1A-M8 -4 Filter King 23.5x8.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 8.5 x .75" - FK23.5x8.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x8x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-8-x-75-fk23-5x8x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c160f764-6fc8-47ce-832b-8d6e894f979e.jpg?v=1781242953 Filter King 23.5x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 8 x .75" - FK23.5x8x1A-M8 -4 Filter King 23.5x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 8 x .75" - FK23.5x8x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x9-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-9-5-x-75-fk23-5x9-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a6fd619f-f60c-4900-88bd-c5a661cf2b9a.jpg?v=1781242952 Filter King 23.5x9.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 9.5 x .75" - FK23.5x9.5x1A-M8 -4 Filter King 23.5x9.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 9.5 x .75" - FK23.5x9.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23-5x9x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-5-x-9-x-75-fk23-5x9x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7ec1652e-a616-4bed-9572-1f853157198e.jpg?v=1781242951 Filter King 23.5x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 9 x .75" - FK23.5x9x1A-M8 -4 Filter King 23.5x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 9 x .75" - FK23.5x9x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x10-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-10-5-x-75-fk23x10-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_cb4aecfe-0989-4c74-a7a8-ec922c2da9fd.jpg?v=1781242950 Filter King 23x10.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 10.5 x .75" - FK23x10.5x1A-M8 -4 Filter King 23x10.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 10.5 x .75" - FK23x10.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x10x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-10-x-75-fk23x10x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_700fb2b2-1f21-4fbb-ae7b-f7eca81d7f38.jpg?v=1781242949 Filter King 23x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 10 x .75" - FK23x10x1A-M8 - 4 Filter King 23x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 10 x .75" - FK23x10x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-23x11-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-11-5-x-75-fk23x11-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ae4db3b2-626c-42db-b607-c32f9b87dcb8.jpg?v=1781242949 Filter King 23x11.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 11.5 x .75" - FK23x11.5x1A-M8 -4 Filter King 23x11.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 11.5 x .75" - FK23x11.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x11x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-11-x-75-fk23x11x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_401ee44c-8e86-4356-bc07-d0fbef23ff38.jpg?v=1781242948 Filter King 23x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 11 x .75" - FK23x11x1A-M8 - 4 Filter King 23x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 11 x .75" - FK23x11x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-23x12-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-12-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e8ad991a-60d2-4aae-8bd3-c7805db39afa.jpg?v=1781242947 Filter King 23x12.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 12.5 x .75" Filter King 23x12.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 12.5 x .75" https://hvacdirectusa.com/products/filter-king-23x12x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-12-x-75-fk23x12x1a-m8 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7576af9a-6725-4453-8592-4472cbecdbf2.jpg?v=1781242946 Filter King 23x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 12 x .75" - FK23x12x1A-M8 Filter King 23x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 12 x .75" - FK23x12x1A-M8 https://hvacdirectusa.com/products/filter-king-25x13-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-13-5-x-75-fk23x13-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3241236d-e79e-4299-b9e0-ab30ee900eb8.jpg?v=1781242945 Filter King 25x13.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 13.5 x .75" - FK23x13.5x1A-M8 -4 Filter King 25x13.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 13.5 x .75" - FK23x13.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x13-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-13-5-x-75-fk23x13-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_31143c91-a76d-406d-9426-b56fe679d121.jpg?v=1781242944 Filter King 23x13.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 13.5 x .75" - FK23x13.5x1A-M8 -4 Filter King 23x13.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 13.5 x .75" - FK23x13.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x13x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-13-x-76 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_194c8cd8-6f55-4849-97c1-560e843a8ede.jpg?v=1781242943 Filter King 23x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 13 x .75" Filter King 23x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 13 x .75" https://hvacdirectusa.com/products/filter-king-23x14-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-14-5-x-75-fk23x14-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2e0db835-e50e-4ef0-9147-afbe75f1ea96.jpg?v=1781242942 Filter King 23x14.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 14.5 x .75" - FK23x14.5x1A-M8 -4 Filter King 23x14.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 14.5 x .75" - FK23x14.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x14x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-14-x-75-fk23x14x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e37dcf58-9f1f-4e2a-8661-0af229996020.jpg?v=1781242941 Filter King 23x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 14 x .75" - FK23x14x1A-M8 -4 Filter King 23x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 14 x .75" - FK23x14x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x15-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-15-5-x-75-fk23x15-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f4789142-2915-44f7-9e14-55f515da992d.jpg?v=1781242941 Filter King 23x15.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 15.5 x .75" - FK23x15.5x1A-M8 -4 Filter King 23x15.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 15.5 x .75" - FK23x15.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x15x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-15-x-75-fk23x15x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_515824c4-3715-4663-9c9e-daaa31f81156.jpg?v=1781242939 Filter King 23x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 15 x .75" - FK23x15x1A-M8-4 Filter King 23x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 15 x .75" - FK23x15x1A-M8-4 https://hvacdirectusa.com/products/filter-king-23x16-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-16-5-x-75-fk23x16-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_27a4f8d2-005b-4491-a408-b80204390066.jpg?v=1781242938 Filter King 23x16.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 16.5 x .75" - FK23x16.5x1A-M8 -4 Filter King 23x16.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 16.5 x .75" - FK23x16.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x16x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-16-x-75-fk23x16x1a-m8-5 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_35ceb150-242d-4481-8cbc-133f8470b4be.jpg?v=1781242938 Filter King 23x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 16 x .75" - FK23x16x1A-M8 -5 Filter King 23x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 16 x .75" - FK23x16x1A-M8 -5 https://hvacdirectusa.com/products/filter-king-23x17-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-17-5-x-75-fk23x17-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_067d3f4c-7972-4980-bbd6-534fce5242b7.jpg?v=1781242937 Filter King 23x17.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 17.5 x .75" - FK23x17.5x1A-M8 -4 Filter King 23x17.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 17.5 x .75" - FK23x17.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x17x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-17-x-75-fk23x17x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2e2158c9-65a7-4432-b52c-830c59dc631a.jpg?v=1781242935 Filter King 23x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 17 x .75" - FK23x17x1A-M8 -4 Filter King 23x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 17 x .75" - FK23x17x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x18x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-18-x-75-fk23x18x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_234a1448-a4bc-4b5a-90b6-dba9c8276751.jpg?v=1781242935 Filter King 23x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 18 x .75" - FK23x18x1A-M8 -4 Filter King 23x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 18 x .75" - FK23x18x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x19-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-19-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4c37e578-d137-4b4c-94c4-c937f7fa1831.jpg?v=1781242934 Filter King 23x19.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 19.5 x .75" Filter King 23x19.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 19.5 x .75" https://hvacdirectusa.com/products/filter-king-23x19x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-19-x-75-fk23x19x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a3f33bd8-c9ec-4096-8249-7de84a12b08e.jpg?v=1781242933 Filter King 23x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 19 x .75" - FK23x19x1A-M8 -4 Filter King 23x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 19 x .75" - FK23x19x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x20-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-20-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2dcdfbd6-07e0-4459-82f8-40451fa57d3b.jpg?v=1781242932 Filter King 23x20.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 20.5 x .75" Filter King 23x20.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 20.5 x .75" https://hvacdirectusa.com/products/filter-king-23x21-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-21-5-x-75-fk23x21-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_02ebea47-ac8f-46bc-aab6-e78e807f93ae.jpg?v=1781242931 Filter King 23x21.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 21.5 x .75" - FK23x21.5x1A-M8 -4 Filter King 23x21.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 21.5 x .75" - FK23x21.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x21x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-21-x-75-fk23x21x1a-m8-5 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c1eeb8d8-bc90-46b5-a44b-899b7222ed57.jpg?v=1781242930 Filter King 23x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 21 x .75" - FK23x21x1A-M8 -4 Filter King 23x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 21 x .75" - FK23x21x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x22-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-22-5-x-75-fk23x22-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_bf56bb12-875c-4140-877a-e3111981443e.jpg?v=1781242929 Filter King 23x22.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 22.5 x .75" - FK23x22.5x1A-M8 -4 Filter King 23x22.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 22.5 x .75" - FK23x22.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x23-5x1-air-filter-4-pack-merv-8-actual-size-23-x-23-5-x-75-fk23x23-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0717864e-c57f-438c-88a9-b01cbe235a0e.jpg?v=1781242928 Filter King 23x23.5x1 Air Filter 4-PACK MERV 8 Actual Size 23 x 23.5 x .75" - FK23x23.5x1A-M8 -4 Filter King 23x23.5x1 Air Filter 4-PACK MERV 8 Actual Size 23 x 23.5 x .75" - FK23x23.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x23x1-air-filters-4-pack-merv-8-hvac-pleated-ac-furnace-filter-actual-size-23-x-23-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ccbb6f74-f92d-4609-b568-d026f4fadb85.jpg?v=1781242928 Filter King 23x23x1 Air Filters | 4 Pack | MERV 8 HVAC Pleated AC Furnace Filter | Actual Size 23 x 23 x .75 Filter King 23x23x1 Air Filters | 4 Pack | MERV 8 HVAC Pleated AC Furnace Filter | Actual Size 23 x 23 x .75 https://hvacdirectusa.com/products/filter-king-23x23x1-air-filter-12-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-23-x-75-fk23x23x1a-m8-12 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_83ad837a-360e-4944-bf5f-57a570643812.jpg?v=1781242927 Filter King 23x23x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 23 x .75" - FK23x23x1A-M8-12 Filter King 23x23x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 23 x .75" - FK23x23x1A-M8-12 https://hvacdirectusa.com/products/filter-king-23x24-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-24-5-x-75-fk23x24-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c82c8a21-0c86-4e07-973e-82462e67dec7.jpg?v=1781242926 Filter King 23x24.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 24.5 x .75" - FK23x24.5x1A-M8 -4 Filter King 23x24.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 24.5 x .75" - FK23x24.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x25-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-25-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_47841e58-b70f-4f41-88d5-1801b7b112c2.jpg?v=1781242925 Filter King 23x25.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 25.5 x .75" Filter King 23x25.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 25.5 x .75" https://hvacdirectusa.com/products/filter-king-23x25x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-25-x-76 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5844d7ef-f243-4e37-8730-afcdc11dbe4a.jpg?v=1781242924 Filter King 23x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 25 x .75" Filter King 23x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 25 x .75" https://hvacdirectusa.com/products/filter-king-23x26-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-26-5-x-75-fk23x26-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_12decb95-82b7-4ec6-9a6f-e111f7072031.jpg?v=1781242923 Filter King 23x26.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 26.5 x .75" - FK23x26.5x1A-M8 -4 Filter King 23x26.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 26.5 x .75" - FK23x26.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x26x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-26-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ae6b4cc4-0cd5-4dda-85f0-3c9876023245.jpg?v=1781242922 Filter King 23x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 26 x .75" Filter King 23x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 26 x .75" https://hvacdirectusa.com/products/filter-king-23x27-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-27-5-x-75-fk23x27-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9c9d354e-c3c8-4705-9035-d6d0ded68bf5.jpg?v=1781242921 Filter King 23x27.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 27.5 x .75" - FK23x27.5x1A-M8 -4 Filter King 23x27.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 27.5 x .75" - FK23x27.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x27x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-27-x-75-fk23x27x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a5c95b8c-a727-48c2-a52c-03cfc96e7a13.jpg?v=1781242920 Filter King 23x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 27 x .75" - FK23x27x1A-M8 -4 Filter King 23x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 27 x .75" - FK23x27x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x28-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-28-5-x-75-fk23x28-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_991ba641-32bc-4462-b02a-b46339887dd3.jpg?v=1781242919 Filter King 23x28.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 28.5 x .75" - FK23x28.5x1A-M8 -4 Filter King 23x28.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 28.5 x .75" - FK23x28.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x28x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-28-x-75-fk23x28x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_17b8fffc-1636-4d05-8328-cb5dc5422534.jpg?v=1781242918 Filter King 23x28x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 28 x .75" - FK23x28x1A-M8 - 4 Filter King 23x28x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 28 x .75" - FK23x28x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-23x29-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-29-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_91150599-d112-4455-a743-e56754f2c19a.jpg?v=1781242917 Filter King 23x29.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 29.5 x .75" Filter King 23x29.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 29.5 x .75" https://hvacdirectusa.com/products/filter-king-23x29x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-29-x-75-fk23x29x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_bafd2afd-c00e-4bea-acd6-798fbdfd8451.jpg?v=1781242916 Filter King 23x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 29 x .75" - FK23x29x1A-M8 -4 Filter King 23x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 29 x .75" - FK23x29x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x30-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-30-5-x-75-fk23x30-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a2948e46-293d-4c6e-8f34-d3a941ee754b.jpg?v=1781242915 Filter King 23x30.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 30.5 x .75" - FK23x30.5x1A-M8 -4 Filter King 23x30.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 30.5 x .75" - FK23x30.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x30x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-5-x-29-5-x-75-fk23x30x1-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_abbc7d1f-d056-4628-8529-cb011db1b4d1.jpg?v=1781242914 Filter King 23x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 29.5 x .75" - FK23x30x1-M8 - 4 Filter King 23x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 29.5 x .75" - FK23x30x1-M8 - 4 https://hvacdirectusa.com/products/filter-king-23x30x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-30-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4ca79f60-137f-49f3-93ae-0c7b24668da2.jpg?v=1781242913 Filter King 23x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 30 x .75" Filter King 23x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 30 x .75" https://hvacdirectusa.com/products/filter-king-23x31-5x1-air-filter-4-pack-merv-8-actual-size-23-x-31-5-x-75-fk23x31-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6199720d-53ac-45d3-bcb2-449b58768cfe.jpg?v=1781242913 Filter King 23x31.5x1 Air Filter 4-PACK MERV 8 Actual Size 23 x 31.5 x .75" - FK23x31.5x1A-M8 -4 Filter King 23x31.5x1 Air Filter 4-PACK MERV 8 Actual Size 23 x 31.5 x .75" - FK23x31.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x31x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-31-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_cc352329-2620-41bd-8f26-4cee60e731c2.jpg?v=1781242912 Filter King 23x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 31 x .75" Filter King 23x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 31 x .75" https://hvacdirectusa.com/products/filter-king-23x32-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-32-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_bf8c296f-5481-412e-81a5-25e6324551ad.jpg?v=1781242911 Filter King 23x32.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 32.5 x .75" Filter King 23x32.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 32.5 x .75" https://hvacdirectusa.com/products/filter-king-23x32x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-32-x-75-fk23x32x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_06f1daa1-1f34-4df7-b6eb-14b6ccb33bc5.jpg?v=1781242910 Filter King 23x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 32 x .75" - FK23x32x1A-M8 -4 Filter King 23x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 32 x .75" - FK23x32x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x33-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-33-5-x-75-fk23x33-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_dcdfa4f4-e0c8-4f03-b7d4-187f2f654b52.jpg?v=1781242909 Filter King 23x33.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 33.5 x .75" - FK23x33.5x1A-M8 -4 Filter King 23x33.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 33.5 x .75" - FK23x33.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x33x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-33-x-75-fk23x33x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_85ebe6ec-0e46-4d03-b0ac-fa15290b09e1.jpg?v=1781242908 Filter King 23x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 33 x .75" - FK23x33x1A-M8 -4 Filter King 23x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 33 x .75" - FK23x33x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x34-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-34-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ae357fce-86d6-441a-b202-1fe8c9d62b95.jpg?v=1781242907 Filter King 23x34.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 34.5 x .75" Filter King 23x34.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 34.5 x .75" https://hvacdirectusa.com/products/filter-king-23x34x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-34-x-75-fk23x34x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_23aa2764-ac06-4fd5-b390-8004c0151164.jpg?v=1781242906 Filter King 23x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 34 x .75" - FK23x34x1A-M8 -4 Filter King 23x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 34 x .75" - FK23x34x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x36-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-36-5-x-75-fk23x36-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_da75bebc-8b73-4754-bb88-ff320e4984a9.jpg?v=1781242905 Filter King 23x36.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 36.5 x .75" - FK23x36.5x1A-M8 -4 Filter King 23x36.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 36.5 x .75" - FK23x36.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x36x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-36-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a9b74b8f-1777-4284-b2a3-736dcec75ba1.jpg?v=1781242904 Filter King 23x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 36 x .75" Filter King 23x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 36 x .75" https://hvacdirectusa.com/products/filter-king-23x37-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-37-5-x-75-fk23x37-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8ce887fc-66a7-49f2-8e8d-1a811acf2ff3.jpg?v=1781242903 Filter King 23x37.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 37.5 x .75" - FK23x37.5x1A-M8 -4 Filter King 23x37.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 37.5 x .75" - FK23x37.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x37x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-37-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5f2ae683-73b9-4bb5-be92-618abbe6f711.jpg?v=1781242902 Filter King 23x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 37 x .75" Filter King 23x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 37 x .75" https://hvacdirectusa.com/products/filter-king-23x38-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-38-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c394afb5-28b2-4f92-a127-69fbbdef21eb.jpg?v=1781242901 Filter King 23x38.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 38.5 x .75" Filter King 23x38.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 38.5 x .75" https://hvacdirectusa.com/products/filter-king-23x38x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-38-x-75-fk23x38x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_30ceb96d-33ac-48c1-a819-750757f72a69.jpg?v=1781242901 Filter King 23x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 38 x .75" - FK23x38x1A-M8 - 4 Filter King 23x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 38 x .75" - FK23x38x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-23x39-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-39-5-x-75-fk23x39-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d74df0d4-a967-4667-845f-9e70a116a1c3.jpg?v=1781242900 Filter King 23x39.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 39.5 x .75" - FK23x39.5x1A-M8 -4 Filter King 23x39.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 39.5 x .75" - FK23x39.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x39x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-39-x-75-fk23x39x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_26cc7921-3859-4890-8008-ce66a585ad19.jpg?v=1781242899 Filter King 23x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 39 x .75" - FK23x39x1A-M8 -4 Filter King 23x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 39 x .75" - FK23x39x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x4-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-4-5-x-75-fk23x4-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_fce9017d-8f19-4a00-aeea-239bead4be34.jpg?v=1781242898 Filter King 23x4.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 4.5 x .75" - FK23x4.5x1A-M8 -4 Filter King 23x4.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 4.5 x .75" - FK23x4.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x40-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-40-5-x-75-fk23x40-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a723a649-34cb-4ea2-b0e8-779bcbbf45d3.jpg?v=1781242897 Filter King 23x40.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 40.5 x .75" - FK23x40.5x1A-M8 -4 Filter King 23x40.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 40.5 x .75" - FK23x40.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x40x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-40-x-75-fk23x40x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a1c8350f-a1c3-41a2-aee0-79a1d08640ca.jpg?v=1781242896 Filter King 23x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 40 x .75" - FK23x40x1A-M8 -4 Filter King 23x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 40 x .75" - FK23x40x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x41-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-41-5-x-75-fk23x41-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_768fc694-615c-4076-a353-a6d92076f327.jpg?v=1781242895 Filter King 23x41.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 41.5 x .75" - FK23x41.5x1A-M8 -4 Filter King 23x41.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 41.5 x .75" - FK23x41.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x41x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-41-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ddc42598-7753-49a9-85fc-4941582b9acc.jpg?v=1781242894 Filter King 23x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 41 x .75" Filter King 23x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 41 x .75" https://hvacdirectusa.com/products/filter-king-23x42-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-42-5-x-75-fk23x42-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_25d7dfc5-fc15-4293-989c-6d6bd3decd2b.jpg?v=1781242893 Filter King 23x42.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 42.5 x .75" - FK23x42.5x1A-M8 -4 Filter King 23x42.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 42.5 x .75" - FK23x42.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x42x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-42-x-75-fk23x42x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0987b76d-d218-4077-b818-31a87ba298c4.jpg?v=1781242892 Filter King 23x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 42 x .75" - FK23x42x1A-M8 -4 Filter King 23x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 42 x .75" - FK23x42x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x43-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-43-5-x-75-fk23x43-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3a3d2e7a-296a-4c6e-b5cb-c0875cb25934.jpg?v=1781242891 Filter King 23x43.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 43.5 x .75" - FK23x43.5x1A-M8 -4 Filter King 23x43.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 43.5 x .75" - FK23x43.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x43x1-air-filter-4-pack-merv-8-actual-size-23-x-43-x-75-fk23x43x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6b5d3f3f-5bd1-4839-9446-26ac61d15eaa.jpg?v=1781242891 Filter King 23x43x1 Air Filter 4-PACK MERV 8 Actual Size 23 x 43 x .75" - FK23x43x1A-M8 -4 Filter King 23x43x1 Air Filter 4-PACK MERV 8 Actual Size 23 x 43 x .75" - FK23x43x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x44-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-44-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b92b6037-e57d-4af3-989d-540ff09d4216.jpg?v=1781242890 Filter King 23x44.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 44.5 x .75" Filter King 23x44.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 44.5 x .75" https://hvacdirectusa.com/products/filter-king-23x44x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-44-x-75-fk23x44x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4ac7749d-7b5f-4704-b0d5-3ba8534641fc.jpg?v=1781242889 Filter King 23x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 44 x .75" - FK23x44x1A-M8 -4 Filter King 23x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 44 x .75" - FK23x44x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x45-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-45-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e317f0cf-7145-4331-b0fd-0b95f6c3acae.jpg?v=1781242888 Filter King 23x45.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 45.5 x .75" Filter King 23x45.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 45.5 x .75" https://hvacdirectusa.com/products/filter-king-23x45x1-air-filter-4-pack-merv-8-actual-size-23-x-45-x-75-fk23x45x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_20ad5361-4ea4-4596-aad5-90117be4fc16.jpg?v=1781242887 Filter King 23x45x1 Air Filter 4-PACK MERV 8 Actual Size 23 x 45 x .75" - FK23x45x1A-M8-4 Filter King 23x45x1 Air Filter 4-PACK MERV 8 Actual Size 23 x 45 x .75" - FK23x45x1A-M8-4 https://hvacdirectusa.com/products/filter-king-23x46-5x1-air-filter-4-pack-merv-8-actual-size-23-x-46-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3dd2fc8d-20f4-472a-b251-10e932ccc43a.jpg?v=1781242879 Filter King 23x46.5x1 Air Filter 4-PACK MERV 8 Actual Size 23 x 46.5 x .75" Filter King 23x46.5x1 Air Filter 4-PACK MERV 8 Actual Size 23 x 46.5 x .75" https://hvacdirectusa.com/products/filter-king-23x46x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-46-x-75-fk23x46x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9f4e60f1-84b3-4b40-b5c7-115423eb116e.jpg?v=1781242878 Filter King 23x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 46 x .75" - FK23x46x1A-M8 -4 Filter King 23x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 46 x .75" - FK23x46x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x47-5x1-air-filter-4-pack-merv-8-actual-size-23-x-47-5-x-75-fk23x47-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_98fcf0b2-8426-494f-b748-9c778cd1f5d8.jpg?v=1781242877 Filter King 23x47.5x1 Air Filter 4-PACK MERV 8 Actual Size 23 x 47.5 x .75" - FK23x47.5x1A-M8 -4 Filter King 23x47.5x1 Air Filter 4-PACK MERV 8 Actual Size 23 x 47.5 x .75" - FK23x47.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x47x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-47-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_de52a8d2-bdc3-48d9-b5a2-dbbe8bd5942e.jpg?v=1781242876 Filter King 23x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 47 x .75" Filter King 23x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 47 x .75" https://hvacdirectusa.com/products/filter-king-23x48-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-48-5-x-75-fk23x48-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_949fcb6c-484c-49fb-90c4-cad7f56486f3.jpg?v=1781242875 Filter King 23x48.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 48.5 x .75" - FK23x48.5x1A-M8 - 4 Filter King 23x48.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 48.5 x .75" - FK23x48.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-23x48x1-air-filter-4-pack-merv-8-actual-size-23-x-48-x-75-fk23x48x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3acc7a2f-e255-41c5-8076-185be2db305c.jpg?v=1781242875 Filter King 23x48x1 Air Filter 4-PACK MERV 8 Actual Size 23 x 48 x .75" - FK23x48x1A-M8 -4 Filter King 23x48x1 Air Filter 4-PACK MERV 8 Actual Size 23 x 48 x .75" - FK23x48x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x49-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-49-5-x-75-fk23x49-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1c72bc38-a1c7-4b1b-ba60-92079a6367c1.jpg?v=1781242874 Filter King 23x49.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 49.5 x .75" - FK23x49.5x1A-M8 -4 Filter King 23x49.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 49.5 x .75" - FK23x49.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x4x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-4-x-75-fk23x4x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_81a734f2-17df-40f3-98e0-ce8f3b04f306.jpg?v=1781242873 Filter King 23x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 4 x .75" - FK23x4x1A-M8 - 4 Filter King 23x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 4 x .75" - FK23x4x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-23x5-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-5-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_181d9523-a679-4080-972b-23ee7fa15d0c.jpg?v=1781242872 Filter King 23x5.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 5.5 x .75" Filter King 23x5.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 5.5 x .75" https://hvacdirectusa.com/products/filter-king-23x50-5x1-air-filter-4-pack-merv-8-actual-size-23-x-50-5-x-75-fk23x50-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_427fb6b3-8e1b-4167-b761-48cbf89422b7.jpg?v=1781242871 Filter King 23x50.5x1 Air Filter 4-PACK MERV 8 Actual Size 23 x 50.5 x .75" - FK23x50.5x1A-M8-4 Filter King 23x50.5x1 Air Filter 4-PACK MERV 8 Actual Size 23 x 50.5 x .75" - FK23x50.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-23x50x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-50-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_71f9e140-ca82-4656-819a-1ad0dceea5bc.jpg?v=1781242870 Filter King 23x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 50 x .75" Filter King 23x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 50 x .75" https://hvacdirectusa.com/products/filter-king-23x51-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-51-5-x-75-fk23x51-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8bbcecdc-8911-4345-a5ae-507e0979cb44.jpg?v=1781242870 Filter King 23x51.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 51.5 x .75" - FK23x51.5x1A-M8 -4 Filter King 23x51.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 51.5 x .75" - FK23x51.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x51x1-air-filter-4-pack-merv-8-actual-size-23-x-51-x-75-fk23x51x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_37ed919b-afd4-407f-adde-9515193b27bf.jpg?v=1781242869 Filter King 23x51x1 Air Filter 4-PACK MERV 8 Actual Size 23 x 51 x .75" - FK23x51x1A-M8 -4 Filter King 23x51x1 Air Filter 4-PACK MERV 8 Actual Size 23 x 51 x .75" - FK23x51x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x52-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-52-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_47813614-1106-4bc5-840b-3a7e32685f7f.jpg?v=1781242868 Filter King 23x52.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 52.5 x .75" Filter King 23x52.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 52.5 x .75" https://hvacdirectusa.com/products/filter-king-23x52x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-52-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_804728bc-d48e-4e7f-85de-b23d1b59707a.jpg?v=1781242867 Filter King 23x52x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 52 x .75" Filter King 23x52x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 52 x .75" https://hvacdirectusa.com/products/filter-king-23x53x1-air-filter-4-pack-merv-8-actual-size-23-x-53-x-75-fk23x53x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b2bbe517-134a-4ee2-9f60-1060e04f8c55.jpg?v=1781242866 Filter King 23x53x1 Air Filter 4-PACK MERV 8 Actual Size 23 x 53 x .75" - FK23x53x1A-M8 - 4 Filter King 23x53x1 Air Filter 4-PACK MERV 8 Actual Size 23 x 53 x .75" - FK23x53x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-23x55-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-55-5-x-75-fk23x55-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_cb67fd84-9c7a-487f-8854-ddb1c7c0b765.jpg?v=1781242866 Filter King 23x55.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 55.5 x .75" - FK23x55.5x1A-M8 -4 Filter King 23x55.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 55.5 x .75" - FK23x55.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x55x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-55-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a1ba335f-c50d-4ba9-8597-9abef8c6fbb4.jpg?v=1781242864 Filter King 23x55x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 55 x .75" - Filter King 23x55x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 55 x .75" - https://hvacdirectusa.com/products/filter-king-23x56-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-56-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_751612fd-0521-453c-8bc3-3ca5f64c562d.jpg?v=1781242864 Filter King 23x56.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 56.5 x .75" Filter King 23x56.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 56.5 x .75" https://hvacdirectusa.com/products/filter-king-23x56x1-air-filter-4-pack-merv-8-actual-size-23-x-56-x-75-fk23x56x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0f1f8f3d-e28b-4a2b-ba0c-7fd8a26541f5.jpg?v=1781242863 Filter King 23x56x1 Air Filter 4-PACK MERV 8 Actual Size 23 x 56 x .75" - FK23x56x1A-M8 -4 Filter King 23x56x1 Air Filter 4-PACK MERV 8 Actual Size 23 x 56 x .75" - FK23x56x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x57-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-57-5-x-75-fk23x57-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6e3c8050-a40e-489e-91cc-a8cbec06a8fd.jpg?v=1781242862 Filter King 23x57.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 57.5 x .75" - FK23x57.5x1A-M8 -4 Filter King 23x57.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 57.5 x .75" - FK23x57.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x57x1-air-filter-4-pack-merv-8-actual-size-23-x-57-x-75-fk23x57x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_82289047-6d79-4fd4-998e-a96ed8680ec3.jpg?v=1781242861 Filter King 23x57x1 Air Filter 4-PACK MERV 8 Actual Size 23 x 57 x .75" - FK23x57x1A-M8 -4 Filter King 23x57x1 Air Filter 4-PACK MERV 8 Actual Size 23 x 57 x .75" - FK23x57x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x58-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-58-5-x-75-fk23x58-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_01321b21-3884-4871-b1f4-3585bfb42cb8.jpg?v=1781242860 Filter King 23x58.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 58.5 x .75" - FK23x58.5x1A-M8 -4 Filter King 23x58.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 58.5 x .75" - FK23x58.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x59-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-59-5-x-75-fk23x59-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7e8cefdd-6b2b-41d7-85a3-b3a6e0cbf42e.jpg?v=1781242860 Filter King 23x59.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 59.5 x .75" - FK23x59.5x1A-M8 - 4 Filter King 23x59.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 59.5 x .75" - FK23x59.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-23x5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-5-x-75-fk23x5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d51e64c4-ce72-4cce-b306-50b919a66903.jpg?v=1781242859 Filter King 23x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 5 x .75" - FK23x5x1A-M8 -4 Filter King 23x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 5 x .75" - FK23x5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x6-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-6-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3dce808d-5c42-4411-af04-b0ea5c5c7ecf.jpg?v=1781242858 Filter King 23x6.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 6.5 x .75" Filter King 23x6.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 6.5 x .75" https://hvacdirectusa.com/products/filter-king-23x60-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-60-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8c480075-a819-495f-b20f-a14d3a9cf178.jpg?v=1781242857 Filter King 23x60.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 60.5 x .75" Filter King 23x60.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 60.5 x .75" https://hvacdirectusa.com/products/filter-king-23x60x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-60-x-75-fk23x60x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4133bd4a-a419-4937-b6d5-bc4887dd32ff.jpg?v=1781242856 Filter King 23x60x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 60 x .75" - FK23x60x1A-M8 -4 Filter King 23x60x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 60 x .75" - FK23x60x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x61-5x1-air-filter-4-pack-merv-8-actual-size-23-x-61-5-x-75-fk23x61-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1166b1ff-de61-47ec-a63b-a92d0c1de569.jpg?v=1781242856 Filter King 23x61.5x1 Air Filter 4-PACK MERV 8 Actual Size 23 x 61.5 x .75" - FK23x61.5x1A-M8 -4 Filter King 23x61.5x1 Air Filter 4-PACK MERV 8 Actual Size 23 x 61.5 x .75" - FK23x61.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x61x1-air-filter-4-pack-merv-8-actual-size-23-x-61-x-75-fk23x61x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c4dc064a-daff-40fe-ad23-320ddae4ef74.jpg?v=1781242855 Filter King 23x61x1 Air Filter 4-PACK MERV 8 Actual Size 23 x 61 x .75" - FK23x61x1A-M8 -4 Filter King 23x61x1 Air Filter 4-PACK MERV 8 Actual Size 23 x 61 x .75" - FK23x61x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x62-5x1-air-filter-4-pack-merv-8-actual-size-23-x-62-5-x-75-fk23x62-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_060b0549-2eb3-44ce-806d-1919647e7be4.jpg?v=1781242854 Filter King 23x62.5x1 Air Filter 4-PACK MERV 8 Actual Size 23 x 62.5 x .75" - FK23x62.5x1A-M8 -4 Filter King 23x62.5x1 Air Filter 4-PACK MERV 8 Actual Size 23 x 62.5 x .75" - FK23x62.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x62x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-62-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d1d9e0e3-bd1c-47b7-8c17-1a2483ba7c66.jpg?v=1781242853 Filter King 23x62x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 62 x .75" Filter King 23x62x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 62 x .75" https://hvacdirectusa.com/products/filter-king-23x63-5x1-air-filter-4-pack-merv-8-actual-size-23-x-63-5-x-75-fk23x63-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5e41faa8-8ef5-4006-8521-aa9016442a15.jpg?v=1781242852 Filter King 23x63.5x1 Air Filter 4-PACK MERV 8 Actual Size 23 x 63.5 x .75" - FK23x63.5x1A-M8 -4 Filter King 23x63.5x1 Air Filter 4-PACK MERV 8 Actual Size 23 x 63.5 x .75" - FK23x63.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x63x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-63-x-75-fk23x63x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2f1eecd9-30d1-4c61-ab4e-6e1aa5e222c2.jpg?v=1781242852 Filter King 23x63x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 63 x .75" - FK23x63x1A-M8 -4 Filter King 23x63x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 63 x .75" - FK23x63x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x64x1-air-filter-4-pack-merv-8-actual-size-23-x-64-x-75-fk23x64x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9500468c-c610-4709-b6d9-58fab2f25e91.jpg?v=1781242851 Filter King 23x64x1 Air Filter 4-PACK MERV 8 Actual Size 23 x 64 x .75" - FK23x64x1A-M8 -4 Filter King 23x64x1 Air Filter 4-PACK MERV 8 Actual Size 23 x 64 x .75" - FK23x64x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x65-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-65-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_abc7740c-ee51-4355-b03e-9c0591507291.jpg?v=1781242850 Filter King 23x65.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 65.5 x .75" Filter King 23x65.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 65.5 x .75" https://hvacdirectusa.com/products/filter-king-23x65x1-air-filter-4-pack-merv-8-actual-size-23-x-65-x-75-fk23x65x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_cde69806-bfde-434e-8295-2e8fb0fe7985.jpg?v=1781242849 Filter King 23x65x1 Air Filter 4-PACK MERV 8 Actual Size 23 x 65 x .75" - FK23x65x1A-M8 -4 Filter King 23x65x1 Air Filter 4-PACK MERV 8 Actual Size 23 x 65 x .75" - FK23x65x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x66x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-66-x-75-fk23x66x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c7233730-6348-41eb-87b4-ad6595c95685.jpg?v=1781242848 Filter King 23x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 66 x .75" - FK23x66x1A-M8 -4 Filter King 23x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 66 x .75" - FK23x66x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x6x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-6-x-75-fk23x6x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_cf0d0ffd-8e78-4d19-ae52-8eb905f642a2.jpg?v=1781242847 Filter King 23x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 6 x .75" - FK23x6x1A-M8 -4 Filter King 23x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 6 x .75" - FK23x6x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x7-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-7-5-x-75-fk23x7-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_870447c1-8e90-4899-bd91-a5f18fdd83ca.jpg?v=1781242846 Filter King 23x7.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 7.5 x .75" - FK23x7.5x1A-M8 -4 Filter King 23x7.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 7.5 x .75" - FK23x7.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x7x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-7-x-75-fk23x7x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_16736cdb-4106-424c-979f-385327d19271.jpg?v=1781242845 Filter King 23x7x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 7 x .75" - FK23x7x1A-M8 -4 Filter King 23x7x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 7 x .75" - FK23x7x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x8-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-8-5-x-75-fk23x8-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_10436362-e8ae-4832-9c04-28bee9e1cb88.jpg?v=1781242844 Filter King 23x8.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 8.5 x .75" - FK23x8.5x1A-M8 -4 Filter King 23x8.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 8.5 x .75" - FK23x8.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x8x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-8-x-75-fk23x8x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8635f7d6-ee1e-411b-ac0d-f6e1b3a00696.jpg?v=1781242844 Filter King 23x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 8 x .75" - FK23x8x1A-M8 -4 Filter King 23x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 8 x .75" - FK23x8x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-23x9x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-23-x-9-x-75-fk23x9x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5749f67d-d544-46de-9b7e-2e86aeaa3dfd.jpg?v=1781242843 Filter King 23x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 9 x .75" - FK23x9x1A-M8 -4 Filter King 23x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 9 x .75" - FK23x9x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x10-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-10-5-x-75-fk24-5x10-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_aae1f1bf-14eb-4a45-8c72-3c701fcb7419.jpg?v=1781242842 Filter King 24.5x10.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 10.5 x .75" - FK24.5x10.5x1A-M8 -4 Filter King 24.5x10.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 10.5 x .75" - FK24.5x10.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x11-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-11-5-x-75-fk24-5x11-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_bc1d38d5-b5af-4c6f-93d8-f6ac93afa2a5.jpg?v=1781242841 Filter King 24.5x11.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 11.5 x .75" - FK24.5x11.5x1A-M8 -4 Filter King 24.5x11.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 11.5 x .75" - FK24.5x11.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x12-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-12-5-x-75-fk24-5x12-5x1a-m8 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_be092cdd-f1ea-4c9c-b000-e1068013ae65.jpg?v=1781242840 Filter King 24.5x12.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 12.5 x .75" - FK24.5x12.5x1A-M8 Filter King 24.5x12.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 12.5 x .75" - FK24.5x12.5x1A-M8 https://hvacdirectusa.com/products/filter-king-24-5x14-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-14-5-x-75-fk24-5x14-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b766d9e7-5602-4d6e-afc5-c94a532120eb.jpg?v=1781242839 Filter King 24.5x14.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 14.5 x .75" - FK24.5x14.5x1A-M8 - 4 Filter King 24.5x14.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 14.5 x .75" - FK24.5x14.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-24-5x14x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-14-x-75-fk24-5x14x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e1b87cbf-df65-4f11-bd55-4e46a85277db.jpg?v=1781242839 Filter King 24.5x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 14 x .75" - FK24.5x14x1A-M8 -4 Filter King 24.5x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 14 x .75" - FK24.5x14x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x15x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-15-x-75-fk24-5x15x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_dda545e4-1451-4cd6-93f4-cc0f5aaf653b.jpg?v=1781242838 Filter King 24.5x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 15 x .75" - FK24.5x15x1A-M8 -4 Filter King 24.5x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 15 x .75" - FK24.5x15x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x16-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-16-5-x-75-fk24-5x16-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f11cab8e-58ae-4808-93e6-2cd9d67fb288.jpg?v=1781242837 Filter King 24.5x16.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 16.5 x .75" - FK24.5x16.5x1A-M8 - 4 Filter King 24.5x16.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 16.5 x .75" - FK24.5x16.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-24-5x16x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-16-x-75-fk24-5x16x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_29b70ec2-0899-44e5-9209-eef5f7c86d36.jpg?v=1781242836 Filter King 24.5x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 16 x .75" - FK24.5x16x1A-M8 -4 Filter King 24.5x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 16 x .75" - FK24.5x16x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x17-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-17-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3207083f-3cb4-4dca-bd7d-8c10da1c4a9c.jpg?v=1781242835 Filter King 24.5x17.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 17.5 x .75" Filter King 24.5x17.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 17.5 x .75" https://hvacdirectusa.com/products/filter-king-24-5x18-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-18-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_099fc99d-9717-4988-847b-00bb8090f4a1.jpg?v=1781242834 Filter King 24.5x18.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 18.5 x .75" Filter King 24.5x18.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 18.5 x .75" https://hvacdirectusa.com/products/filter-king-24-5x19-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-19-5-x-75-fk24-5x19-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2d2335fd-d2c5-4c10-ba34-ad011c4659ec.jpg?v=1781242834 Filter King 24.5x19.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 19.5 x .75" - FK24.5x19.5x1A-M8 -4 Filter King 24.5x19.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 19.5 x .75" - FK24.5x19.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x19x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-19-x-75-fk24-5x19x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5a3e595e-4a6c-4cc2-99b6-02d3ec63eeda.jpg?v=1781242833 Filter King 24.5x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 19 x .75" - FK24.5x19x1A-M8 -4 Filter King 24.5x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 19 x .75" - FK24.5x19x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x20-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-20-5-x-75-fk24-5x20-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ab802853-4a56-4600-8523-1f380b212034.jpg?v=1781242832 Filter King 24.5x20.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 20.5 x .75" - FK24.5x20.5x1A-M8 -4 Filter King 24.5x20.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 20.5 x .75" - FK24.5x20.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x20x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-20-x-75-fk24-5x20x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d8b6c001-e61f-4825-bd53-9b08cff11f0c.jpg?v=1781242831 Filter King 24.5x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 20 x .75" - FK24.5x20x1A-M8 -4 Filter King 24.5x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 20 x .75" - FK24.5x20x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x21-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-21-5-x-75-fk24-5x21-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8acfc9e6-5056-466a-966d-620885406a8e.jpg?v=1781242830 Filter King 24.5x21.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 21.5 x .75" - FK24.5x21.5x1A-M8 -4 Filter King 24.5x21.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 21.5 x .75" - FK24.5x21.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x21x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-21-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d9aa85b1-2ea6-4b39-b596-4b5265b9e4ab.jpg?v=1781242830 Filter King 24.5x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 21 x .75" Filter King 24.5x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 21 x .75" https://hvacdirectusa.com/products/filter-king-24-5x22-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-22-5-x-75-fk24-5x22-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_38e92c26-ca4c-4aab-a4f1-c5ceabfd6881.jpg?v=1781242829 Filter King 24.5x22.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 22.5 x .75" - FK24.5x22.5x1A-M8 -4 Filter King 24.5x22.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 22.5 x .75" - FK24.5x22.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x22x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-22-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_86feb049-1a41-4b36-84d6-a541b29968b0.jpg?v=1781242828 Filter King 24.5x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 22 x .75" Filter King 24.5x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 22 x .75" https://hvacdirectusa.com/products/filter-king-24-5x23-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-23-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_310f78c3-cd09-4262-bbba-2167a2fc0bb6.jpg?v=1781242827 Filter King 24.5x23.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 23.5 x .75" Filter King 24.5x23.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 23.5 x .75" https://hvacdirectusa.com/products/filter-king-24-5x23x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-23-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_41ce136d-b74f-4e91-907a-04da31f46c2f.jpg?v=1781242826 Filter King 24.5x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 23 x .75" Filter King 24.5x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 23 x .75" https://hvacdirectusa.com/products/filter-king-24-5x24-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-24-5-x-75-fk24-5x24-5x1a-m8-5 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_61ac985e-6fe6-4a6d-ac28-6495988cbd72.jpg?v=1781242825 Filter King 24.5x24.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 24.5 x .75" - FK24.5x24.5x1A-M8 - 5 Filter King 24.5x24.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 24.5 x .75" - FK24.5x24.5x1A-M8 - 5 https://hvacdirectusa.com/products/filter-king-24-5x24-5x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-24-5-x-75-fk24-5x24-5x1a-m8-3 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9d101b75-65b0-4eed-ab3b-947735c36819.jpg?v=1781242824 Filter King 24.5x24.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 24.5 x .75" - FK24.5x24.5x1A-M8 -3 Filter King 24.5x24.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 24.5 x .75" - FK24.5x24.5x1A-M8 -3 https://hvacdirectusa.com/products/filter-king-24-5x24-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-24-5-x-75-fk24-5x24-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_61048d2e-ca48-4073-a0a7-da8eec9b8373.jpg?v=1781242823 Filter King 24.5x24.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 24.5 x .75" - FK24.5x24.5x1A-M8 -4 Filter King 24.5x24.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 24.5 x .75" - FK24.5x24.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x24x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-24-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1962b309-5cd5-471c-962a-15e2f78b5f01.jpg?v=1781242822 Filter King 24.5x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 24 x .75" Filter King 24.5x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 24 x .75" https://hvacdirectusa.com/products/filter-king-24-5x25-5x1-air-filter-4-pack-merv-8-actual-size-24-5-x-25-5-x-75-fk24-5x25-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1cbf11e5-0fdb-4d2f-a7dd-f6a677c40b31.jpg?v=1781242822 Filter King 24.5x25.5x1 Air Filter 4-PACK MERV 8 Actual Size 24.5 x 25.5 x .75" - FK24.5x25.5x1A-M8 - 4 Filter King 24.5x25.5x1 Air Filter 4-PACK MERV 8 Actual Size 24.5 x 25.5 x .75" - FK24.5x25.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-24-5x25x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-25-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3a3e5532-ca5c-4f7b-a996-b1acc17d1d45.jpg?v=1781242821 Filter King 24.5x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 25 x .75" Filter King 24.5x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 25 x .75" https://hvacdirectusa.com/products/filter-king-24-5x25x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-25-x-75-copy 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_393e23af-4bb3-48da-b643-b1781146d9bb.jpg?v=1781242820 Filter King 24.5x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 25 x .75" (Copy) Filter King 24.5x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 25 x .75" (Copy) https://hvacdirectusa.com/products/filter-king-24-5x26-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-26-5-x-75-fk24-5x26-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f91c1cce-aed2-4457-8655-acc375132a4c.jpg?v=1781242819 Filter King 24.5x26.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 26.5 x .75" - FK24.5x26.5x1A-M8 -4 Filter King 24.5x26.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 26.5 x .75" - FK24.5x26.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x26x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-26-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ad937a4a-6e1b-480a-a3d6-6ae411126bba.jpg?v=1781242818 Filter King 24.5x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 26 x .75" Filter King 24.5x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 26 x .75" https://hvacdirectusa.com/products/filter-king-24-5x27-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-27-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2655b8cf-ea44-456f-ae32-a748d4b9ef9b.jpg?v=1781242817 Filter King 24.5x27.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 27.5 x .75" Filter King 24.5x27.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 27.5 x .75" https://hvacdirectusa.com/products/filter-king-24-5x27x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-27-x-75-fk24-5x27x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d8d71824-2771-400b-bbc9-db481cf7e736.jpg?v=1781242816 Filter King 24.5x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 27 x .75" - FK24.5x27x1A-M8 -4 Filter King 24.5x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 27 x .75" - FK24.5x27x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x28-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-28-5-x-75-fk24-5x28-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_534a17cf-a2bd-45e3-853c-b27aefc1a89e.jpg?v=1781242815 Filter King 24.5x28.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 28.5 x .75" - FK24.5x28.5x1A-M8 - 4 Filter King 24.5x28.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 28.5 x .75" - FK24.5x28.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-24-5x29-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-29-5-x-75-fk24-5x29-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_12bd4779-50d7-47f2-8026-54193d0af23c.jpg?v=1781242814 Filter King 24.5x29.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 29.5 x .75" - FK24.5x29.5x1A-M8 -4 Filter King 24.5x29.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 29.5 x .75" - FK24.5x29.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x29-5x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-29-5-x-75-fk24-5x29-5x1a-m8-3 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0546c8f8-ab44-42a0-a942-7c1c848f04a5.jpg?v=1781242814 Filter King 24.5x29.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 29.5 x .75" - FK24.5x29.5x1A-M8-3 Filter King 24.5x29.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 29.5 x .75" - FK24.5x29.5x1A-M8-3 https://hvacdirectusa.com/products/filter-king-24-5x30-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-30-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e7066365-6d22-47ee-b7b4-0cd89df293a9.jpg?v=1781242813 Filter King 24.5x30.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 30.5 x .75" Filter King 24.5x30.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 30.5 x .75" https://hvacdirectusa.com/products/filter-king-24-5x30x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-30-x-75-fk24-5x30x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c9681019-3cf5-4281-a106-ec52e2ab4121.jpg?v=1781242812 Filter King 24.5x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 30 x .75" - FK24.5x30x1A-M8 -4 Filter King 24.5x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 30 x .75" - FK24.5x30x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x31-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-31-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6e3c2491-50b1-4247-9c8d-e87874956ede.jpg?v=1781242811 Filter King 24.5x31.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 31.5 x .75 Filter King 24.5x31.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 31.5 x .75 https://hvacdirectusa.com/products/filter-king-24-5x31-5x1-air-filter-3-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-31-5-x-75-fk24-5x31-5x1a-m8-3 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f54ab59a-4a00-45a1-970a-d80f553e5f98.jpg?v=1781242811 Filter King 24.5x31.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 31.5 x .75" - FK24.5x31.5x1A-M8-3 Filter King 24.5x31.5x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 31.5 x .75" - FK24.5x31.5x1A-M8-3 https://hvacdirectusa.com/products/filter-king-24-5x31x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-31-x-75-fk24-5x31x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8f8559b4-c12c-4be4-bd0d-8015cec9bd75.jpg?v=1781242809 Filter King 24.5x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 31 x .75" - FK24.5x31x1A-M8 -4 Filter King 24.5x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 31 x .75" - FK24.5x31x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x32-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-32-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6e063271-f424-4ca8-8bf8-3bd90ed14615.jpg?v=1781242808 Filter King 24.5x32.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 32.5 x .75" Filter King 24.5x32.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 32.5 x .75" https://hvacdirectusa.com/products/filter-king-26-5x32x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-32-x-75-fk24-5x32x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ffd52424-d547-43a6-9052-929057e734bc.jpg?v=1781242808 Filter King 26.5x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 32 x .75" - FK24.5x32x1A-M8 -4 Filter King 26.5x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 32 x .75" - FK24.5x32x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x32x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-32-x-75-fk24-5x32x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ff071daa-29cb-4e06-8d1c-408c132e6bc8.jpg?v=1781242807 Filter King 24.5x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 32 x .75" - FK24.5x32x1A-M8 -4 Filter King 24.5x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 32 x .75" - FK24.5x32x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x33-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-33-5-x-75-fk24-5x33-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b690db63-da9d-4af9-97b5-1969e7e9846a.jpg?v=1781242806 Filter King 24.5x33.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 33.5 x .75" - FK24.5x33.5x1A-M8 -4 Filter King 24.5x33.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 33.5 x .75" - FK24.5x33.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x33x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-33-x-75-fk24-5x33x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1f71c48e-d922-46bb-b3ed-c32d7b4f6c45.jpg?v=1781242805 Filter King 24.5x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 33 x .75" - FK24.5x33x1A-M8 -4 Filter King 24.5x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 33 x .75" - FK24.5x33x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x34-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-34-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5ce46395-8720-4ad9-a3f5-3b118ec5d28a.jpg?v=1781242804 Filter King 24.5x34.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 34.5 x .75" Filter King 24.5x34.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 34.5 x .75" https://hvacdirectusa.com/products/filter-king-24-5x35-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-35-5-x-75-fk24-5x35-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_df9c4da8-b7a1-4f14-94c5-276cfbd5f08d.jpg?v=1781242803 Filter King 24.5x35.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 35.5 x .75" - FK24.5x35.5x1A-M8 -4 Filter King 24.5x35.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 35.5 x .75" - FK24.5x35.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x35x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-35-x-75-fk24-5x35x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b5b9bb1a-ae61-4a4d-8e68-d8c6411ea31b.jpg?v=1781242802 Filter King 24.5x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 35 x .75" - FK24.5x35x1A-M8 -4 Filter King 24.5x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 35 x .75" - FK24.5x35x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x36-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-36-5-x-75-fk24-5x36-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a066ec33-5309-4fa5-b4fb-664890e56157.jpg?v=1781242802 Filter King 24.5x36.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 36.5 x .75" - FK24.5x36.5x1A-M8 -4 Filter King 24.5x36.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 36.5 x .75" - FK24.5x36.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x37-5x1-air-filter-4-pack-merv-8-actual-size-24-5-x-37-5-x-75-fk24-5x37-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_cdcdcc6d-50a2-4324-8180-31dae82a6dc4.jpg?v=1781242801 Filter King 24.5x37.5x1 Air Filter 4-PACK MERV 8 Actual Size 24.5 x 37.5 x .75" - FK24.5x37.5x1A-M8-4 Filter King 24.5x37.5x1 Air Filter 4-PACK MERV 8 Actual Size 24.5 x 37.5 x .75" - FK24.5x37.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-24-5x37x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-37-x-75-fk24-5x37x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3fef0f4c-0f3c-4d35-be78-918bd401477c.jpg?v=1781242800 Filter King 24.5x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 37 x .75" - FK24.5x37x1A-M8 -4 Filter King 24.5x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 37 x .75" - FK24.5x37x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x38-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-38-5-x-75-fk24-5x38-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1e80c267-3337-4008-9f7a-41fc8edee09d.jpg?v=1781242799 Filter King 24.5x38.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 38.5 x .75" - FK24.5x38.5x1A-M8 -4 Filter King 24.5x38.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 38.5 x .75" - FK24.5x38.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x39-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-39-5-x-75-fk24-5x39-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9b0c919b-cc58-4554-9b35-8a0d9da01270.jpg?v=1781242798 Filter King 24.5x39.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 39.5 x .75" - FK24.5x39.5x1A-M8 -4 Filter King 24.5x39.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 39.5 x .75" - FK24.5x39.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x4-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-4-5-x-75-fk24-5x4-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c91eb5c2-4f48-4c31-90f9-2819f0f6f02d.jpg?v=1781242797 Filter King 24.5x4.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 4.5 x .75" - FK24.5x4.5x1A-M8 -4 Filter King 24.5x4.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 4.5 x .75" - FK24.5x4.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x40-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-40-5-x-75-fk24-5x40-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3bd0ce23-4242-403f-a860-1cf2e16bf202.jpg?v=1781242789 Filter King 24.5x40.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 40.5 x .75" - FK24.5x40.5x1A-M8 -4 Filter King 24.5x40.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 40.5 x .75" - FK24.5x40.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x40x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-40-x-75-fk24-5x40x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_95d9cce2-67f8-4b1f-abc1-e9b981881cab.jpg?v=1781242788 Filter King 24.5x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 40 x .75" - FK24.5x40x1A-M8 - 4 Filter King 24.5x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 40 x .75" - FK24.5x40x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-24-5x42-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-42-5-x-75-fk24-5x42-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2f344ccc-b0a8-47ab-9987-9afce95c1d01.jpg?v=1781242787 Filter King 24.5x42.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 42.5 x .75" - FK24.5x42.5x1A-M8 -4 Filter King 24.5x42.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 42.5 x .75" - FK24.5x42.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x42x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-42-x-75-fk24-5x42x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0662b759-2f33-4388-bacc-1feab4dd97ec.jpg?v=1781242786 Filter King 24.5x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 42 x .75" - FK24.5x42x1A-M8-4 Filter King 24.5x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 42 x .75" - FK24.5x42x1A-M8-4 https://hvacdirectusa.com/products/filter-king-24-5x43-5x1-air-filter-4-pack-merv-8-actual-size-24-5-x-43-5-x-75-fk24-5x43-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3f69e293-759d-4adb-bef7-48256b070e31.jpg?v=1781242785 Filter King 24.5x43.5x1 Air Filter 4-PACK MERV 8 Actual Size 24.5 x 43.5 x .75" - FK24.5x43.5x1A-M8 -4 Filter King 24.5x43.5x1 Air Filter 4-PACK MERV 8 Actual Size 24.5 x 43.5 x .75" - FK24.5x43.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x44-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-44-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_56aec935-bf18-4b56-b1d5-3e2bf7359873.jpg?v=1781242785 Filter King 24.5x44.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 44.5 x .75" Filter King 24.5x44.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 44.5 x .75" https://hvacdirectusa.com/products/filter-king-24-5x44x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-44-x-75-fk24-5x44x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4f6cef39-123f-485a-85a3-9a9efc280b86.jpg?v=1781242784 Filter King 24.5x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 44 x .75" - FK24.5x44x1A-M8 -4 Filter King 24.5x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 44 x .75" - FK24.5x44x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x45-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-45-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_35b1dc02-3dfa-48ac-9f91-faaaad1188f7.jpg?v=1781242783 Filter King 24.5x45.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 45.5 x .75" Filter King 24.5x45.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 45.5 x .75" https://hvacdirectusa.com/products/filter-king-24-5x45x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-45-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c2424fce-360b-4074-a7be-d3ed573baf26.jpg?v=1781242782 Filter King 24.5x45x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 45 x .75" Filter King 24.5x45x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 45 x .75" https://hvacdirectusa.com/products/filter-king-24-5x46-5x1-air-filter-4-pack-merv-8-actual-size-24-5-x-46-5-x-75-fk24-5x46-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3a61cb96-8346-46e5-b4dd-1aa6e438f14b.jpg?v=1781242781 Filter King 24.5x46.5x1 Air Filter 4-PACK MERV 8 Actual Size 24.5 x 46.5 x .75" - FK24.5x46.5x1A-M8 -4 Filter King 24.5x46.5x1 Air Filter 4-PACK MERV 8 Actual Size 24.5 x 46.5 x .75" - FK24.5x46.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x46x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-46-x-75-fk24-5x46x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a79e1ac8-5e84-4849-be78-c4171696a890.jpg?v=1781242781 Filter King 24.5x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 46 x .75" - FK24.5x46x1A-M8 -4 Filter King 24.5x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 46 x .75" - FK24.5x46x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x47-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-47-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_49fddeb9-bcae-4c16-a52b-415330b3da45.jpg?v=1781242780 Filter King 24.5x47.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 47.5 x .75" Filter King 24.5x47.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 47.5 x .75" https://hvacdirectusa.com/products/filter-king-22x7x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-22-x-7-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_51b991b4-8d97-4a7c-a516-881f2436ec87.jpg?v=1781242779 Filter King 22x7x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 7 x .75" Filter King 22x7x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22 x 7 x .75" https://hvacdirectusa.com/products/filter-king-24-5x48-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-48-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9982fd7c-51aa-4248-bcec-2bcbeb19ed62.jpg?v=1781242778 Filter King 24.5x48.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 48.5 x .75" Filter King 24.5x48.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 48.5 x .75" https://hvacdirectusa.com/products/filter-king-24-5x48x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-48-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_90a4c003-bf91-42e4-9ee2-d750dfefcff3.jpg?v=1781242777 Filter King 24.5x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 48 x .75" Filter King 24.5x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 48 x .75" https://hvacdirectusa.com/products/filter-king-24-5x49-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-49-5-x-75-fk24-5x49-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4998aa39-c720-4930-a1f4-e1404ea97dc6.jpg?v=1781242777 Filter King 24.5x49.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 49.5 x .75" - FK24.5x49.5x1A-M8 -4 Filter King 24.5x49.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 49.5 x .75" - FK24.5x49.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x49x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-49-x-75-fk24-5x49x1a-m8-1 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_da7b71bf-c157-4241-8def-f3cab0467fab.jpg?v=1781242776 Filter King 24.5x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 49 x .75" - FK24.5x49x1A-M8 -1 Filter King 24.5x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 49 x .75" - FK24.5x49x1A-M8 -1 https://hvacdirectusa.com/products/filter-king-24-5x5-5x1-air-filter-4-pack-merv-8-actual-size-24-5-x-5-5-x-75-fk24-5x5-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_44744a21-6b45-4cda-9b89-a8465174b6ec.jpg?v=1781242775 Filter King 24.5x5.5x1 Air Filter 4-PACK MERV 8 Actual Size 24.5 x 5.5 x .75" - FK24.5x5.5x1A-M8 - 4 Filter King 24.5x5.5x1 Air Filter 4-PACK MERV 8 Actual Size 24.5 x 5.5 x .75" - FK24.5x5.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-24-5x50-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-50-5-x-75-fk24-5x50-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9e2f989d-da61-4a2e-aa9c-a91b9ab2b73c.jpg?v=1781242774 Filter King 24.5x50.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 50.5 x .75" - FK24.5x50.5x1A-M8 - 4 Filter King 24.5x50.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 50.5 x .75" - FK24.5x50.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-24-5x51-5x1-air-filter-4-pack-merv-8-actual-size-24-5-x-51-5-x-75-fk24-5x51-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6d0d58bb-b22b-4abd-9ecf-d35fd9f3703d.jpg?v=1781242773 Filter King 24.5x51.5x1 Air Filter 4-PACK MERV 8 Actual Size 24.5 x 51.5 x .75" - FK24.5x51.5x1A-M8 - 4 Filter King 24.5x51.5x1 Air Filter 4-PACK MERV 8 Actual Size 24.5 x 51.5 x .75" - FK24.5x51.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-24-5x52-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-52-5-x-75-fk24-5x52-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5089a620-93ec-488b-b422-00b687d3cb30.jpg?v=1781242773 Filter King 24.5x52.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 52.5 x .75" - FK24.5x52.5x1A-M8 -4 Filter King 24.5x52.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 52.5 x .75" - FK24.5x52.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x53-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-53-5-x-75-fk24-5x53-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2cff2a31-7c78-4cf7-948e-5ff7b8d0da41.jpg?v=1781242772 Filter King 24.5x53.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 53.5 x .75" - FK24.5x53.5x1A-M8 -4 Filter King 24.5x53.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 53.5 x .75" - FK24.5x53.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x53x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-53-x-75-fk24-5x53x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_557ecca2-c53b-4009-9ac8-ff7ace44a030.jpg?v=1781242771 Filter King 24.5x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 53 x .75" - FK24.5x53x1A-M8 -4 Filter King 24.5x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 53 x .75" - FK24.5x53x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x54-5x1-air-filter-4-pack-merv-8-actual-size-24-5-x-54-5-x-75-fk24-5x54-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8da4fe15-771f-4963-adbb-3f7173694454.jpg?v=1781242770 Filter King 24.5x54.5x1 Air Filter 4-PACK MERV 8 Actual Size 24.5 x 54.5 x .75" - FK24.5x54.5x1A-M8-4 Filter King 24.5x54.5x1 Air Filter 4-PACK MERV 8 Actual Size 24.5 x 54.5 x .75" - FK24.5x54.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-24-5x55-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-55-5-x-75-fk24-5x55-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3e1538c1-98ef-4af1-8d77-ea1f1f2b6e3f.jpg?v=1781242769 Filter King 24.5x55.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 55.5 x .75" - FK24.5x55.5x1A-M8 -4 Filter King 24.5x55.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 55.5 x .75" - FK24.5x55.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x55x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-55-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e5a113ce-bb8f-4744-b0f8-11ee9cd6b5d2.jpg?v=1781242769 Filter King 24.5x55x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 55 x .75" Filter King 24.5x55x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 55 x .75" https://hvacdirectusa.com/products/filter-king-24-5x56-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-56-5-x-75-fk24-5x56-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b4c9509e-e34d-4831-a522-687a09104a39.jpg?v=1781242768 Filter King 24.5x56.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 56.5 x .75" - FK24.5x56.5x1A-M8 -4 Filter King 24.5x56.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 56.5 x .75" - FK24.5x56.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x57-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-57-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_59c528d8-7796-4143-ac84-62fe3a5ad1a5.jpg?v=1781242767 Filter King 24.5x57.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 57.5 x .75" Filter King 24.5x57.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 57.5 x .75" https://hvacdirectusa.com/products/filter-king-24-5x59-5x1-air-filter-4-pack-merv-8-actual-size-24-5-x-59-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_df0028ed-9465-475c-8ded-eb4e3f01ea0a.jpg?v=1781242767 Filter King 24.5x59.5x1 Air Filter 4-PACK MERV 8 Actual Size 24.5 x 59.5 x .75" Filter King 24.5x59.5x1 Air Filter 4-PACK MERV 8 Actual Size 24.5 x 59.5 x .75" https://hvacdirectusa.com/products/filter-king-24-5x59x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-59-x-75-fk24-5x59x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_169689f2-d4ad-4a76-aaf7-a5894b512941.jpg?v=1781242766 Filter King 24.5x59x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 59 x .75" - FK24.5x59x1A-M8 -4 Filter King 24.5x59x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 59 x .75" - FK24.5x59x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x6-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-6-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4aecdfbc-4915-4665-9399-f2bf652885b7.jpg?v=1781242765 Filter King 24.5x6.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 6.5 x .75" Filter King 24.5x6.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 6.5 x .75" https://hvacdirectusa.com/products/filter-king-24-5x60-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-60-5-x-75-fk24-5x60-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0bbf962a-c51c-45b8-b547-88d6522bed38.jpg?v=1781242764 Filter King 24.5x60.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 60.5 x .75" - FK24.5x60.5x1A-M8 -4 Filter King 24.5x60.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 60.5 x .75" - FK24.5x60.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x61-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-61-5-x-75-fk24-5x61-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0fd55f21-25a6-43f3-b8e4-e3dc4aec3b98.jpg?v=1781242764 Filter King 24.5x61.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 61.5 x .75" - FK24.5x61.5x1A-M8 -4 Filter King 24.5x61.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 61.5 x .75" - FK24.5x61.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x61x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-61-x-75-fk24-5x61x1a-m8-44 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6c43eb4a-aafb-4343-8ea8-df1b9e014ec7.jpg?v=1781242763 Filter King 24.5x61x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 61 x .75" - FK24.5x61x1A-M8 -44 Filter King 24.5x61x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 61 x .75" - FK24.5x61x1A-M8 -44 https://hvacdirectusa.com/products/filter-king-24-5x62-5x1-air-filter-4-pack-merv-8-actual-size-24-5-x-62-5-x-75-fk24-5x62-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_16dc2a71-c8b5-4e1f-9457-891d1a81f377.jpg?v=1781242762 Filter King 24.5x62.5x1 Air Filter 4-PACK MERV 8 Actual Size 24.5 x 62.5 x .75" - FK24.5x62.5x1A-M8 - 4 Filter King 24.5x62.5x1 Air Filter 4-PACK MERV 8 Actual Size 24.5 x 62.5 x .75" - FK24.5x62.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-24-5x63-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-63-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e48498b0-c913-4599-96c4-5cdf901ddec7.jpg?v=1781242761 Filter King 24.5x63.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 63.5 x .75" Filter King 24.5x63.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 63.5 x .75" https://hvacdirectusa.com/products/filter-king-24-5x63x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-63-x-75-fk24-5x63x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e7d49e38-ac6f-4132-93f5-509872e3a2aa.jpg?v=1781242760 Filter King 24.5x63x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 63 x .75" - FK24.5x63x1A-M8 -4 Filter King 24.5x63x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 63 x .75" - FK24.5x63x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x64-5x1-air-filter-4-pack-merv-8-actual-size-24-5-x-64-5-x-75-fk24-5x64-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_67d5564d-6174-41e3-b2a1-5175c1f14f3b.jpg?v=1781242759 Filter King 24.5x64.5x1 Air Filter 4-PACK MERV 8 Actual Size 24.5 x 64.5 x .75" - FK24.5x64.5x1A-M8 -4 Filter King 24.5x64.5x1 Air Filter 4-PACK MERV 8 Actual Size 24.5 x 64.5 x .75" - FK24.5x64.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x64x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-64-x-75-fk24-5x64x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6ec5b9c7-0bbb-4609-99ed-c2827881e2d8.jpg?v=1781242759 Filter King 24.5x64x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 64 x .75" - FK24.5x64x1A-M8 -4 Filter King 24.5x64x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 64 x .75" - FK24.5x64x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x65-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-65-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ef56bfea-8fa9-4f29-a896-68a7ce64410a.jpg?v=1781242758 Filter King 24.5x65.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 65.5 x .75" Filter King 24.5x65.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 65.5 x .75" https://hvacdirectusa.com/products/filter-king-24-5x65x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-65-x-75-fk24-5x65x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0c8e5731-5097-4026-bb7a-f6d072dc518c.jpg?v=1781242757 Filter King 24.5x65x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 65 x .75" - FK24.5x65x1A-M8 -4 Filter King 24.5x65x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 65 x .75" - FK24.5x65x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x66-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-66-5-x-75-fk24-5x66-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_97cc2056-f032-42b8-8a45-6d9a6e257978.jpg?v=1781242756 Filter King 24.5x66.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 66.5 x .75" - FK24.5x66.5x1A-M8 -4 Filter King 24.5x66.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 66.5 x .75" - FK24.5x66.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x66x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-66-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2e350b15-86d1-4208-a34c-4e808eddad4a.jpg?v=1781242755 Filter King 24.5x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 66 x .75" Filter King 24.5x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 66 x .75" https://hvacdirectusa.com/products/filter-king-24-5x6x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-6-x-75-fk24-5x6x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_bef19b3d-c91c-4c76-aef1-15045649b0b9.jpg?v=1781242754 Filter King 24.5x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 6 x .75" - FK24.5x6x1A-M8 -4 Filter King 24.5x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 6 x .75" - FK24.5x6x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x7-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-7-5-x-75-fk24-5x7-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0957ba45-30f9-47f7-baeb-e5f3499336ee.jpg?v=1781242754 Filter King 24.5x7.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 7.5 x .75" - FK24.5x7.5x1A-M8 -4 Filter King 24.5x7.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 7.5 x .75" - FK24.5x7.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x7x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-7-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b2a98100-2b15-4237-8be8-72b65611c79d.jpg?v=1781242753 Filter King 24.5x7x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 7 x .75" Filter King 24.5x7x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 7 x .75" https://hvacdirectusa.com/products/filter-king-24-5x8-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-8-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c9d91882-eeda-447f-8c0f-d34536b12915.jpg?v=1781242752 Filter King 24.5x8.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 8.5 x .75" - Filter King 24.5x8.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 8.5 x .75" - https://hvacdirectusa.com/products/filter-king-24-5x8x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-8-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1ddb91e1-5c0d-4a0e-aa5d-ec9ec6df03d3.jpg?v=1781242751 Filter King 24.5x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 8 x .75" Filter King 24.5x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 8 x .75" https://hvacdirectusa.com/products/filter-king-24-5x9-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-9-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3566c0dc-f4f1-4e3d-a369-245f790b16e1.jpg?v=1781242751 Filter King 24.5x9.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 9.5 x .75" Filter King 24.5x9.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 9.5 x .75" https://hvacdirectusa.com/products/filter-king-24-5x9x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-9-x-75-fk24-5x9x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a9d6e91c-3d4b-4487-8362-b3268a404b1c.jpg?v=1781242750 Filter King 24.5x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 9 x .75" - FK24.5x9x1A-M8 -4 Filter King 24.5x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 9 x .75" - FK24.5x9x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x10-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-10-5-x-75-fk24x10-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_72d11f4b-835f-4396-8794-b31f20e9ab4a.jpg?v=1781242749 Filter King 24x10.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 10.5 x .75" - FK24x10.5x1A-M8 -4 Filter King 24x10.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 10.5 x .75" - FK24x10.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x10x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-10-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b7c53e4f-ce68-4dd4-badc-386239027b05.jpg?v=1781242748 Filter King 24x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 10 x .75" Filter King 24x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 10 x .75" https://hvacdirectusa.com/products/filter-king-24x12-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-12-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b76eeac9-c183-4d39-a7b3-0d4feee8d37e.jpg?v=1781242747 Filter King 24x12.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 12.5 x .75" Filter King 24x12.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 12.5 x .75" https://hvacdirectusa.com/products/filter-king-24x12x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-12-x-75-fk24x12x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_efd1c8e7-5824-449b-82a2-169095337f4f.jpg?v=1781242747 Filter King 24x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 12 x .75" - FK24x12x1A-M8 -4 Filter King 24x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 12 x .75" - FK24x12x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x13-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-13-5-x-75-fk24x13-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5d51c87c-26bd-4e5c-9ea2-76c99ea16b76.jpg?v=1781242746 Filter King 24x13.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 13.5 x .75" - FK24x13.5x1A-M8 -4 Filter King 24x13.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 13.5 x .75" - FK24x13.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x13x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-13-x-75-fk24x13x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6d08f20d-05d9-4eb2-97dd-a1e681edcd68.jpg?v=1781242745 Filter King 24x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 13 x .75" - FK24x13x1A-M8 -4 Filter King 24x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 13 x .75" - FK24x13x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x14-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-14-5-x-75-fk24x14-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d21a0d84-6487-4080-a9b3-ecd3887b36dc.jpg?v=1781242744 Filter King 24x14.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 14.5 x .75" - FK24x14.5x1A-M8 -4 Filter King 24x14.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 14.5 x .75" - FK24x14.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x14x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-14-x-75-fk24x14x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_80c97bd1-808e-4ed9-bfa9-b364e1c96050.jpg?v=1781242743 Filter King 24x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 14 x .75" - FK24x14x1A-M8 -4 Filter King 24x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 14 x .75" - FK24x14x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x15-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-15-5-x-75-fk24x15-5x1a-m8 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ffa7a801-b2ea-4150-99aa-a91530e9f554.jpg?v=1781242743 Filter King 24x15.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 15.5 x .75" - FK24x15.5x1A-M8 Filter King 24x15.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 15.5 x .75" - FK24x15.5x1A-M8 https://hvacdirectusa.com/products/filter-king-24x15x1-air-filter-4-pack-merv-8-actual-size-24-x-15-x-76 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a6775260-3242-4445-9566-9e6d0471c315.jpg?v=1781242742 Filter King 24x15x1 Air Filter 4-PACK MERV 8 Actual Size 24 x 15 x .75" Filter King 24x15x1 Air Filter 4-PACK MERV 8 Actual Size 24 x 15 x .75" https://hvacdirectusa.com/products/filter-king-24x16-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-16-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c967b3a3-12ce-41e4-8b42-59dd3e0478d5.jpg?v=1781242741 Filter King 24x16.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 16.5 x .75" Filter King 24x16.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 16.5 x .75" https://hvacdirectusa.com/products/filter-king-24x16x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-16-x-75-fk24x16x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5aa9fae0-df73-48a0-8283-89969759fbc4.jpg?v=1781242740 Filter King 24x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 16 x .75" - FK24x16x1A-M8 -4 Filter King 24x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 16 x .75" - FK24x16x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x17-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-17-5-x-75-fk24x17-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6345a294-522a-40b3-9900-43c4e4e0a1d7.jpg?v=1781242740 Filter King 24x17.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 17.5 x .75" - FK24x17.5x1A-M8 -4 Filter King 24x17.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 17.5 x .75" - FK24x17.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x17x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-17-x-75-fk24x17x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4dbe6a34-62d2-448a-b5d6-8cbd7b869dfa.jpg?v=1781242739 Filter King 24x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 17 x .75" - FK24x17x1A-M8 -4 Filter King 24x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 17 x .75" - FK24x17x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x18-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-18-5-x-75-fk24x18-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_cc9111a2-3c4b-45f6-87eb-1e6b4a65eff0.jpg?v=1781242738 Filter King 24x18.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 18.5 x .75" - FK24x18.5x1A-M8 -4 Filter King 24x18.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 18.5 x .75" - FK24x18.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x18x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-18-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_bb03307d-d605-400f-b33e-fa224d261ca5.jpg?v=1781242737 Filter King 24x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 18 x .75" Filter King 24x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 18 x .75" https://hvacdirectusa.com/products/filter-king-24x19-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-19-5-x-75-fk24x19-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_077a16a3-f991-4a6e-9ef4-63e0f6d712b0.jpg?v=1781242736 Filter King 24x19.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 19.5 x .75" - FK24x19.5x1A-M8 -4 Filter King 24x19.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 19.5 x .75" - FK24x19.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x19x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-19-x-75-fk24x19x1a-m8-5 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ba068010-46b1-43df-b949-ee86719f7865.jpg?v=1781242735 Filter King 24x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 19 x .75" - FK24x19x1A-M8 -4 Filter King 24x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 19 x .75" - FK24x19x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x20-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-20-5-x-75-fk24x20-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_44e30654-1247-4450-9227-d3d05f33ea2e.jpg?v=1781242735 Filter King 24x20.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 20.5 x .75" - FK24x20.5x1A-M8 -4 Filter King 24x20.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 20.5 x .75" - FK24x20.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x20x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-20-x-75-fk24x20x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e85aac53-6176-4ab2-8b37-6880558fdf52.jpg?v=1781242734 Filter King 24x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 20 x .75" - FK24x20x1A-M8 -4 Filter King 24x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 20 x .75" - FK24x20x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x21-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-21-5-x-75-fk24x21-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_65c3728d-521f-4a73-99c3-298fdaee602d.jpg?v=1781242733 Filter King 24x21.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 21.5 x .75" - FK24x21.5x1A-M8 -4 Filter King 24x21.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 21.5 x .75" - FK24x21.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x21x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-21-x-75-fk24x21x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_cdec42fb-04e9-4a9a-9b69-462730e75114.jpg?v=1781242733 Filter King 24x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 21 x .75" - FK24x21x1A-M8 - 4 Filter King 24x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 21 x .75" - FK24x21x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-24x22-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-22-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7e21d73b-7c8b-47f2-94fd-3fe37458195e.jpg?v=1781242732 Filter King 24x22.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 22.5 x .75" Filter King 24x22.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 22.5 x .75" https://hvacdirectusa.com/products/filter-king-24x22x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-22-x-75-fk24x22x1a-m8-5 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d63d9b0f-c946-457e-8823-3f706f876a12.jpg?v=1781242731 Filter King 24x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 22 x .75" - FK24x22x1A-M8 -4 Filter King 24x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 22 x .75" - FK24x22x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x23-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-23-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3cd59960-f201-48b9-b89f-87591682e468.jpg?v=1781242730 Filter King 24x23.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 23.5 x .75" - Filter King 24x23.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 23.5 x .75" - https://hvacdirectusa.com/products/filter-king-24x23x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-23-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c2bb41c0-4507-4703-bc78-f2d54ae1e4df.jpg?v=1781242729 Filter King 24x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 23 x .75" Filter King 24x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 23 x .75" https://hvacdirectusa.com/products/filter-king-24x24-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-24-5-x-75-fk24x24-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c98a7cf9-5dd6-4f64-879e-cd9d7dcf9a57.jpg?v=1781242728 Filter King 24x24.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 24.5 x .75" - FK24x24.5x1A-M8 -4 Filter King 24x24.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 24.5 x .75" - FK24x24.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x25-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-25-5-x-75-fk24x25-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c8b547e0-70dd-4b2e-b713-f204153ecffb.jpg?v=1781242727 Filter King 24x25.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 25.5 x .75" - FK24x25.5x1A-M8 -4 Filter King 24x25.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 25.5 x .75" - FK24x25.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x26-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-26-5-x-75-fk24x26-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d081064b-fde1-4031-a6a5-82c86c2726a6.jpg?v=1781242724 Filter King 24x26.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 26.5 x .75" - FK24x26.5x1A-M8 -4 Filter King 24x26.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 26.5 x .75" - FK24x26.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x26x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-26-x-75-fk24x26x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_077137ea-6d3d-4230-b09c-a41b7bdd2264.jpg?v=1781242723 Filter King 24x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 26 x .75" - FK24x26x1A-M8 -4 Filter King 24x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 26 x .75" - FK24x26x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x27-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-27-5-x-75-fk24x27-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8ed85c00-4556-41cd-b3ad-b715e75925e9.jpg?v=1781242722 Filter King 24x27.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 27.5 x .75" - FK24x27.5x1A-M8 -4 Filter King 24x27.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 27.5 x .75" - FK24x27.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x28-5x1-air-filter-4-pack-merv-8-actual-size-24-x-28-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5f3536ab-1fac-456d-8e8b-3d936a8ef94c.jpg?v=1781242721 Filter King 24x28.5x1 Air Filter 4-PACK MERV 8 Actual Size 24 x 28.5 x .75" Filter King 24x28.5x1 Air Filter 4-PACK MERV 8 Actual Size 24 x 28.5 x .75" https://hvacdirectusa.com/products/filter-king-24x29x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-29-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_02349c10-f912-49a4-a5b3-9bdb638fcc90.jpg?v=1781242719 Filter King 24x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 29 x .75" Filter King 24x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 29 x .75" https://hvacdirectusa.com/products/filter-king-24x30-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-30-5-x-75-fk24x30-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c25daf03-ca39-4c16-8afd-9d712e715c53.jpg?v=1781242718 Filter King 24x30.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 30.5 x .75" - FK24x30.5x1A-M8 -4 Filter King 24x30.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 30.5 x .75" - FK24x30.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x31-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-31-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_fe89d004-37d3-431e-9c48-e7a68c578e46.jpg?v=1781242717 Filter King 24x31.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 31.5 x .75" Filter King 24x31.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 31.5 x .75" https://hvacdirectusa.com/products/filter-king-24x31x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-31-x-75-fk24x31x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_bb9a24f5-7ec6-4b4a-9dfb-fe52919d2ffd.jpg?v=1781242716 Filter King 24x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 31 x .75" - FK24x31x1A-M8 -4 Filter King 24x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 31 x .75" - FK24x31x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x32-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-32-5-x-75-fk24x32-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_625eb2b1-a954-4d5c-a097-6ebf059488c1.jpg?v=1781242715 Filter King 24x32.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 32.5 x .75" - FK24x32.5x1A-M8 -4 Filter King 24x32.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 32.5 x .75" - FK24x32.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x32x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-32-x-75-fk24x32x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5aec9f32-9786-4791-b9c0-be8a3ec35d6b.jpg?v=1781242714 Filter King 24x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 32 x .75" - FK24x32x1A-M8 -4 Filter King 24x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 32 x .75" - FK24x32x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x33-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-33-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8364b846-99e3-4b52-85da-38d17d45f72e.jpg?v=1781242713 Filter King 24x33.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 33.5 x .75" Filter King 24x33.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 33.5 x .75" https://hvacdirectusa.com/products/filter-king-24x33x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-33-x-75-fk24x33x1a-m8-5 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_161f30eb-7578-4772-be47-04ea48189b7a.jpg?v=1781242712 Filter King 24x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 33 x .75" - FK24x33x1A-M8 -4 Filter King 24x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 33 x .75" - FK24x33x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x34-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-34-5-x-75-fk24x34-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_64bb8071-6c75-4e42-94a6-2967c2e3b278.jpg?v=1781242712 Filter King 24x34.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 34.5 x .75" - FK24x34.5x1A-M8 -4 Filter King 24x34.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 34.5 x .75" - FK24x34.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x34x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-34-x-75-fk24x34x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e7ce61d7-7730-4a55-998e-dde6de6ce3cd.jpg?v=1781242711 Filter King 24x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 34 x .75" - FK24x34x1A-M8 -4 Filter King 24x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 34 x .75" - FK24x34x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x35-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-35-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_01744ecd-58bc-4d4f-a8ba-1eda19348233.jpg?v=1781242710 Filter King 24x35.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 35.5 x .75" Filter King 24x35.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 35.5 x .75" https://hvacdirectusa.com/products/filter-king-24x35x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-35-x-75-fk24x35x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_80161b54-0de8-4db5-865d-6bfca697bbba.jpg?v=1781242709 Filter King 24x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 35 x .75" - FK24x35x1A-M8 -4 Filter King 24x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 35 x .75" - FK24x35x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x36-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-36-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_96b108c5-4dfe-4554-8e26-643aca35fb31.jpg?v=1781242708 Filter King 24x36.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 36.5 x .75" Filter King 24x36.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 36.5 x .75" https://hvacdirectusa.com/products/filter-king-24x37-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-37-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ad0f7504-2d40-483b-829b-32dda6fdc390.jpg?v=1781242708 Filter King 24x37.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 37.5 x .75" Filter King 24x37.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 37.5 x .75" https://hvacdirectusa.com/products/filter-king-24x37x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-37-x-75-fk24x37x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a07901e6-9fc1-4afb-994d-4c73dfe50543.jpg?v=1781242707 Filter King 24x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 37 x .75" - FK24x37x1A-M8 -4 Filter King 24x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 37 x .75" - FK24x37x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x38-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-38-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e69b564d-1efd-4963-b452-64c1af7886a4.jpg?v=1781242706 Filter King 24x38.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 38.5 x .75" Filter King 24x38.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 38.5 x .75" https://hvacdirectusa.com/products/filter-king-24x38x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-38-x-75-fk24x38x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_35064b59-f4a3-4849-b947-98b20334f35e.jpg?v=1781242705 Filter King 24x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 38 x .75" - FK24x38x1A-M8 -4 Filter King 24x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 38 x .75" - FK24x38x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x39-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-39-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3b24e657-ed2e-447f-8dbe-6d14f9e2c575.jpg?v=1781242705 Filter King 24x39.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 39.5 x .75" Filter King 24x39.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 39.5 x .75" https://hvacdirectusa.com/products/filter-king-24x39x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-39-x-75-fk24x39x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b9c30ba0-2f32-49e2-b0f4-af37409dde7d.jpg?v=1781242704 Filter King 24x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 39 x .75" - FK24x39x1A-M8 -4 Filter King 24x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 39 x .75" - FK24x39x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x40-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-40-5-x-75-fk24x40-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_50aa5429-4928-4e00-90d9-904632693bf8.jpg?v=1781242703 Filter King 24x40.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 40.5 x .75" - FK24x40.5x1A-M8 -4 Filter King 24x40.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 40.5 x .75" - FK24x40.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x40x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-19-5-x-39-5-x-75-fk24x40x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_22e7e46a-6264-492f-abcd-db5dc0ff8ac8.jpg?v=1781242702 Filter King 24x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 39.5 x .75" - FK24x40x1A-M8 -4 Filter King 24x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 39.5 x .75" - FK24x40x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x41-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-41-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2eaa295b-d06d-4a0a-8379-6a5b8c5f5c60.jpg?v=1781242701 Filter King 24x41.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 41.5 x .75" Filter King 24x41.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 41.5 x .75" https://hvacdirectusa.com/products/filter-king-24x41x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-41-x-75-fk24x41x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6deab988-fb38-4505-82d6-99e8570cdeea.jpg?v=1781242698 Filter King 24x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 41 x .75" - FK24x41x1A-M8 -4 Filter King 24x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 41 x .75" - FK24x41x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x42-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-42-5-x-75-fk24x42-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3c6267d7-0f08-451a-a6c6-a88331b70388.jpg?v=1781242697 Filter King 24x42.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 42.5 x .75" - FK24x42.5x1A-M8 -4 Filter King 24x42.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 42.5 x .75" - FK24x42.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x42x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-42-x-75-fk24x42x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_921fa384-5540-4aff-8d58-062ab936b13a.jpg?v=1781242696 Filter King 24x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 42 x .75" - FK24x42x1A-M8 -4 Filter King 24x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 42 x .75" - FK24x42x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x43x1-air-filter-4-pack-merv-8-actual-size-24-x-43-x-75-fk24x43x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a9d69ed4-ad51-44b0-a6e4-f4685dfe04db.jpg?v=1781242695 Filter King 24x43x1 Air Filter 4-PACK MERV 8 Actual Size 24 x 43 x .75" - FK24x43x1A-M8-4 Filter King 24x43x1 Air Filter 4-PACK MERV 8 Actual Size 24 x 43 x .75" - FK24x43x1A-M8-4 https://hvacdirectusa.com/products/filter-king-24x44-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-44-5-x-75-fk24x44-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6eabab0a-9e8d-4a84-abb0-2b370b5b9e0a.jpg?v=1781242694 Filter King 24x44.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 44.5 x .75" - FK24x44.5x1A-M8 -4 Filter King 24x44.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 44.5 x .75" - FK24x44.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x45-5x1-air-filter-4-pack-merv-8-actual-size-24-x-45-5-x-75-fk24x45-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2dcab70b-9334-4890-be00-93c4754af679.jpg?v=1781242693 Filter King 24x45.5x1 Air Filter 4-PACK MERV 8 Actual Size 24 x 45.5 x .75" - FK24x45.5x1A-M8 -4 Filter King 24x45.5x1 Air Filter 4-PACK MERV 8 Actual Size 24 x 45.5 x .75" - FK24x45.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x45x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-45-x-75-fk24x45x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3f7bf61a-cfb6-42a8-ad27-dade62e32a1b.jpg?v=1781242692 Filter King 24x45x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 45 x .75" - FK24x45x1A-M8 -4 Filter King 24x45x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 45 x .75" - FK24x45x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x46-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-46-5-x-75-fk24x46-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c2e6cf70-4078-46a1-a112-47b9c7bda8b4.jpg?v=1781242692 Filter King 24x46.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 46.5 x .75" - FK24x46.5x1A-M8 -4 Filter King 24x46.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 46.5 x .75" - FK24x46.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x46x1-air-filter-4-pack-merv-8-actual-size-24-x-46-x-75-fk24x46x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b7140547-d691-4b2c-831a-c6f3aea09008.jpg?v=1781242691 Filter King 24x46x1 Air Filter 4-PACK MERV 8 Actual Size 24 x 46 x .75" - FK24x46x1A-M8 -4 Filter King 24x46x1 Air Filter 4-PACK MERV 8 Actual Size 24 x 46 x .75" - FK24x46x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x47-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-47-5-x-75-fk24x47-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e60b187d-dbf4-43c1-a4d7-bf736921535e.jpg?v=1781242690 Filter King 24x47.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 47.5 x .75" - FK24x47.5x1A-M8 - 4 Filter King 24x47.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 47.5 x .75" - FK24x47.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-24x47x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-47-x-75-fk24x47x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d67d7fc4-e461-41e0-a748-4be940bfab1e.jpg?v=1781242690 Filter King 24x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 47 x .75" - FK24x47x1A-M8 -4 Filter King 24x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 47 x .75" - FK24x47x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x48-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-48-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_067e285b-e744-4399-a2dd-2e4b94a045a6.jpg?v=1781242689 Filter King 24x48.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 48.5 x .75" Filter King 24x48.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 48.5 x .75" https://hvacdirectusa.com/products/filter-king-24x48x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-48-x-75-fk24x48x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e8490516-5c49-4079-aa61-09a7273eae4c.jpg?v=1781242688 Filter King 24x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 48 x .75" - FK24x48x1A-M8 -4 Filter King 24x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 48 x .75" - FK24x48x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24-5x49-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-49-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e2d77c12-6c25-448c-9836-31e019c9640c.jpg?v=1781242688 Filter King 24.5x49.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 49.5 x .75" Filter King 24.5x49.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 49.5 x .75" https://hvacdirectusa.com/products/filter-king-24x49x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-49-x-75-fk24x49x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c28a7bd3-3da3-4b3d-8385-1dc105df6f8b.jpg?v=1781242687 Filter King 24x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 49 x .75" - FK24x49x1A-M8 -4 Filter King 24x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 49 x .75" - FK24x49x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x4x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-4-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2b69c20c-5874-4c10-beef-b75f80f0a406.jpg?v=1781242686 Filter King 24x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 4 x .75" Filter King 24x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 4 x .75" https://hvacdirectusa.com/products/filter-king-24x5-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-5-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_bb03d423-13c7-40d5-b1d1-58f8730f56a2.jpg?v=1781242686 Filter King 24x5.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 5.5 x .75" Filter King 24x5.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 5.5 x .75" https://hvacdirectusa.com/products/filter-king-24x50-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-50-5-x-75-fk24x50-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1d2c273d-a9e1-4f7a-a656-c06e73d5551d.jpg?v=1781242685 Filter King 24x50.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 50.5 x .75" - FK24x50.5x1A-M8 -4 Filter King 24x50.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 50.5 x .75" - FK24x50.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x50x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-50-x-75-fk24x50x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_437d02a1-1233-4a37-ba82-53f6ed53bb86.jpg?v=1781242685 Filter King 24x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 50 x .75" - FK24x50x1A-M8 -4 Filter King 24x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 50 x .75" - FK24x50x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x51-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-51-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0342add0-58fc-49a0-a024-268f0b4bcc38.jpg?v=1781242684 Filter King 24x51.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 51.5 x .75" Filter King 24x51.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 51.5 x .75" https://hvacdirectusa.com/products/filter-king-24x51x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-51-x-75-fk24x51x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_869b3673-a652-4598-98ab-0f5e5c535748.jpg?v=1781242683 Filter King 24x51x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 51 x .75" - FK24x51x1A-M8 -4 Filter King 24x51x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 51 x .75" - FK24x51x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x52-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-52-5-x-75-fk24x52-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_77dab423-a837-4ce9-ab38-c697c4e3b657.jpg?v=1781242683 Filter King 24x52.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 52.5 x .75" - FK24x52.5x1A-M8 -4 Filter King 24x52.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 52.5 x .75" - FK24x52.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x52x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-52-x-75-fk24x52x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_413d1e52-b284-4fb4-af72-a4e9d0ef2e1d.jpg?v=1781242682 Filter King 24x52x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 52 x .75" - FK24x52x1A-M8 -4 Filter King 24x52x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 52 x .75" - FK24x52x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x53-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-53-5-x-75-fk24x53-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c9f9a85b-de9a-4f44-9bfb-afc285d0f44f.jpg?v=1781242681 Filter King 24x53.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 53.5 x .75" - FK24x53.5x1A-M8 -4 Filter King 24x53.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 53.5 x .75" - FK24x53.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x53x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-53-x-75-fk24x53x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_16d86fa3-7d8e-4b51-a8f9-481853a2e324.jpg?v=1781242681 Filter King 24x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 53 x .75" - FK24x53x1A-M8 -4 Filter King 24x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 53 x .75" - FK24x53x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x54-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-54-5-x-75-fk24x54-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5ad8b845-a5e8-4982-9d3a-444e3e35fbd3.jpg?v=1781242680 Filter King 24x54.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 54.5 x .75" - FK24x54.5x1A-M8 -4 Filter King 24x54.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 54.5 x .75" - FK24x54.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x55x1-air-filter-4-pack-merv-8-actual-size-24-x-55-x-75-fk24x55x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f07de706-7e44-4a1e-88d3-e414315e6cd4.jpg?v=1781242680 Filter King 24x55x1 Air Filter 4-PACK MERV 8 Actual Size 24 x 55 x .75" - FK24x55x1A-M8 -4 Filter King 24x55x1 Air Filter 4-PACK MERV 8 Actual Size 24 x 55 x .75" - FK24x55x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x56-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-56-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6d6b420e-aafc-4214-a4ad-e6e3a8eae409.jpg?v=1781242679 Filter King 24x56.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 56.5 x .75" Filter King 24x56.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 56.5 x .75" https://hvacdirectusa.com/products/filter-king-24x56x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-56-x-75-fk24x56x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_35ad33aa-26da-4ac9-9905-44f69098583b.jpg?v=1781242678 Filter King 24x56x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 56 x .75" - FK24x56x1A-M8-4 Filter King 24x56x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 56 x .75" - FK24x56x1A-M8-4 https://hvacdirectusa.com/products/filter-king-24x57-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-57-5-x-75-fk24x57-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b6c9a262-5e8b-429e-aaf7-afbb896d479b.jpg?v=1781242678 Filter King 24x57.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 57.5 x .75" - FK24x57.5x1A-M8 -4 Filter King 24x57.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 57.5 x .75" - FK24x57.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x57x1-air-filter-4-pack-merv-8-actual-size-24-x-57-x-75-fk24x57x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ccb9359e-d16a-4d01-92af-0ea2adfac2f0.jpg?v=1781242677 Filter King 24x57x1 Air Filter 4-PACK MERV 8 Actual Size 24 x 57 x .75" - FK24x57x1A-M8 -4 Filter King 24x57x1 Air Filter 4-PACK MERV 8 Actual Size 24 x 57 x .75" - FK24x57x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x58-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-58-5-x-75-fk24x58-5x1a-m8 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_25e5c92a-732c-477c-82f9-272abce90885.jpg?v=1781242676 Filter King 24x58.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 58.5 x .75" - FK24x58.5x1A-M8 Filter King 24x58.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 58.5 x .75" - FK24x58.5x1A-M8 https://hvacdirectusa.com/products/filter-king-24x58x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-58-x-75-fk24x58x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4a973036-832f-4ff8-a1ca-4092d04f4997.jpg?v=1781242676 Filter King 24x58x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 58 x .75" - FK24x58x1A-M8 -4 Filter King 24x58x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 58 x .75" - FK24x58x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x59-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-59-5-x-75-fk24x59-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_99a1d41a-746c-4107-b968-36df703c39a9.jpg?v=1781242675 Filter King 24x59.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 59.5 x .75" - FK24x59.5x1A-M8 - 4 Filter King 24x59.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 59.5 x .75" - FK24x59.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-24x5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-5-x-75-fk24x5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_886d0ae1-786c-46dd-8260-1f95dffe7187.jpg?v=1781242674 Filter King 24x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 5 x .75" - FK24x5x1A-M8 -4 Filter King 24x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 5 x .75" - FK24x5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x6-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-6-5-x-75-fk24x6-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_21256643-a5ea-41d1-a35c-66488f13c979.jpg?v=1781242673 Filter King 24x6.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 6.5 x .75" - FK24x6.5x1A-M8 -4 Filter King 24x6.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 6.5 x .75" - FK24x6.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x60-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-60-5-x-75-fk24x60-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_78eb10d7-3e75-43eb-8476-87fca836ea52.jpg?v=1781242673 Filter King 24x60.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 60.5 x .75" - FK24x60.5x1A-M8 -4 Filter King 24x60.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 60.5 x .75" - FK24x60.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x60x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-60-x-75-fk24x60x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_cdff1e17-20e8-4014-9934-1d25db68745d.jpg?v=1781242672 Filter King 24x60x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 60 x .75" - FK24x60x1A-M8 -4 Filter King 24x60x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 60 x .75" - FK24x60x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x61-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-61-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_10c3072d-1c67-4942-8a31-113dfc278b70.jpg?v=1781242672 Filter King 24x61.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 61.5 x .75" Filter King 24x61.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 61.5 x .75" https://hvacdirectusa.com/products/filter-king-24x61x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-61-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7c5e7b92-c471-4b99-90df-3154e68893c9.jpg?v=1781242671 Filter King 24x61x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 61 x .75" Filter King 24x61x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 61 x .75" https://hvacdirectusa.com/products/filter-king-24x62-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-62-5-x-75-fk24x62-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_990140b7-b0d7-46e9-8f0d-d2c724986c91.jpg?v=1781242670 Filter King 24x62.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 62.5 x .75" - FK24x62.5x1A-M8 -4 Filter King 24x62.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 62.5 x .75" - FK24x62.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x63-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-63-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b0fe9e7a-3734-4fcc-899a-d6994d47eaca.jpg?v=1781242670 Filter King 24x63.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 63.5 x .75" Filter King 24x63.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 63.5 x .75" https://hvacdirectusa.com/products/filter-king-24x63x1-air-filter-4-pack-merv-8-actual-size-24-x-63-x-75-fk24x63x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_327ea176-2a69-478f-b50d-3e94143b2e51.jpg?v=1781242669 Filter King 24x63x1 Air Filter 4-PACK MERV 8 Actual Size 24 x 63 x .75" - FK24x63x1A-M8 -4 Filter King 24x63x1 Air Filter 4-PACK MERV 8 Actual Size 24 x 63 x .75" - FK24x63x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x64-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-64-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6ee65064-9d91-435d-a20c-c6eee3e0bfb1.jpg?v=1781242668 Filter King 24x64.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 64.5 x .75" Filter King 24x64.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 64.5 x .75" https://hvacdirectusa.com/products/filter-king-24x64x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-64-x-75-fk24x64x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_82f006bc-432a-4598-9b3b-9093b0761106.jpg?v=1781242668 Filter King 24x64x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 64 x .75" - FK24x64x1A-M8 -4 Filter King 24x64x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 64 x .75" - FK24x64x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x65-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-65-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_35a714d3-21b7-4a7d-a5e2-ecb6aa1366b1.jpg?v=1781242667 Filter King 24x65.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 65.5 x .75" Filter King 24x65.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 65.5 x .75" https://hvacdirectusa.com/products/filter-king-24x65x1-air-filter-4-pack-merv-8-actual-size-24-x-65-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_269f428f-6aea-4016-9aae-ce0b88dce1fe.jpg?v=1781242666 Filter King 24x65x1 Air Filter 4-PACK MERV 8 Actual Size 24 x 65 x .75" Filter King 24x65x1 Air Filter 4-PACK MERV 8 Actual Size 24 x 65 x .75" https://hvacdirectusa.com/products/filter-king-24x66-5x1-air-filter-4-pack-merv-8-actual-size-24-x-66-5-x-75-fk24x66-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_76ddea88-5599-4611-a4da-2f30b42e2191.jpg?v=1781242666 Filter King 24x66.5x1 Air Filter 4-PACK MERV 8 Actual Size 24 x 66.5 x .75" - FK24x66.5x1A-M8 -4 Filter King 24x66.5x1 Air Filter 4-PACK MERV 8 Actual Size 24 x 66.5 x .75" - FK24x66.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x6x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-6-x-75-fk24x6x1a-m8-5 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_db3a3d02-8a9a-4fd2-930f-6279fdfd2649.jpg?v=1781242665 Filter King 24x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 6 x .75" - FK24x6x1A-M8 -4 Filter King 24x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 6 x .75" - FK24x6x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x7-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-7-5-x-75-fk24x7-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5d83157e-4de8-4b41-8972-7085a255ac0f.jpg?v=1781242665 Filter King 24x7.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 7.5 x .75" - FK24x7.5x1A-M8 -4 Filter King 24x7.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 7.5 x .75" - FK24x7.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x7x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-7-x-75-fk24x7x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8f03474c-a17c-463d-9737-a3462fa16f9f.jpg?v=1781242664 Filter King 24x7x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 7 x .75" - FK24x7x1A-M8 -4 Filter King 24x7x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 7 x .75" - FK24x7x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x8-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-8-5-x-75-fk24x8-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_42aca072-65a4-4c49-a1f3-4e7474411e6e.jpg?v=1781242663 Filter King 24x8.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 8.5 x .75" - FK24x8.5x1A-M8 -4 Filter King 24x8.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 8.5 x .75" - FK24x8.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x8x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-8-x-75-fk24x8x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_db1fec3c-dda8-4d0e-ab68-607581bc46f5.jpg?v=1781242663 Filter King 24x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 8 x .75" - FK24x8x1A-M8 -4 Filter King 24x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 8 x .75" - FK24x8x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x9-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-9-5-x-75-fk24x9-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f76f95b0-284f-4cfb-92f9-16038d69600f.jpg?v=1781242662 Filter King 24x9.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 9.5 x .75" - FK24x9.5x1A-M8 -4 Filter King 24x9.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 9.5 x .75" - FK24x9.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-24x9x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-x-9-x-75-fk24x9x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_15b4966e-ac9c-466c-8788-b70233e167ad.jpg?v=1781242661 Filter King 24x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 9 x .75" - FK24x9x1A-M8 -4 Filter King 24x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24 x 9 x .75" - FK24x9x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x10-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-10-5-x-75-fk25-5x10-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_fda63cff-f765-411f-9b1a-54e7f7ef6c88.jpg?v=1781242660 Filter King 25.5x10.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 10.5 x .75" - FK25.5x10.5x1A-M8 -4 Filter King 25.5x10.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 10.5 x .75" - FK25.5x10.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x10x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-10-x-75-fk25-5x10x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_901ee613-39da-4792-b385-348d41fc07cc.jpg?v=1781242660 Filter King 25.5x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 10 x .75" - FK25.5x10x1A-M8 -4 Filter King 25.5x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 10 x .75" - FK25.5x10x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x11-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-11-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b87b9a5f-0a3a-4099-b84b-3e1f1603cc9f.jpg?v=1781242659 Filter King 25.5x11.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 11.5 x .75" Filter King 25.5x11.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 11.5 x .75" https://hvacdirectusa.com/products/filter-king-25-5x11x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-11-x-75-fk25-5x11x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d6024540-fe2c-427f-9f2b-43237f180aa3.jpg?v=1781242659 Filter King 25.5x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 11 x .75" - FK25.5x11x1A-M8 - 4 Filter King 25.5x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 11 x .75" - FK25.5x11x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-25-5x12x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-12-x-75-fk25-5x12x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5c758c4e-b52b-4056-9e33-a85b11e64716.jpg?v=1781242658 Filter King 25.5x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 12 x .75" - FK25.5x12x1A-M8 -4 Filter King 25.5x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 12 x .75" - FK25.5x12x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x13-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-13-5-x-75-fk25-5x13-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_49e0f640-197e-41d1-bcc4-e548662afabf.jpg?v=1781242657 Filter King 25.5x13.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 13.5 x .75" - FK25.5x13.5x1A-M8-4 Filter King 25.5x13.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 13.5 x .75" - FK25.5x13.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-25-5x14-5x1-air-filter-4-pack-merv-8-actual-size-25-5-x-14-5-x-75-fk25-5x14-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_07f76fda-867f-4119-9dc9-2e922fe6648c.jpg?v=1781242657 Filter King 25.5x14.5x1 Air Filter 4-PACK MERV 8 Actual Size 25.5 x 14.5 x .75" - FK25.5x14.5x1A-M8 -4 Filter King 25.5x14.5x1 Air Filter 4-PACK MERV 8 Actual Size 25.5 x 14.5 x .75" - FK25.5x14.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x14x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-14-x-75-fk25-5x14x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2df5d5d8-03a8-4872-a36d-c34f381a97c0.jpg?v=1781242656 Filter King 25.5x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 14 x .75" - FK25.5x14x1A-M8 -4 Filter King 25.5x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 14 x .75" - FK25.5x14x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x15-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-15-5-x-75-fk25-5x15-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5ff0e113-2c12-44da-a9ca-036036658663.jpg?v=1781242655 Filter King 25.5x15.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 15.5 x .75" - FK25.5x15.5x1A-M8 - 4 Filter King 25.5x15.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 15.5 x .75" - FK25.5x15.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-25-5x16-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-16-5-x-75-fk25-5x16-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0f1564b9-b0a4-4453-86a7-d45cd9fa173f.jpg?v=1781242655 Filter King 25.5x16.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 16.5 x .75" - FK25.5x16.5x1A-M8-4 Filter King 25.5x16.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 16.5 x .75" - FK25.5x16.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-25-5x17-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-17-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a3f0cd28-e807-47ff-8022-38a834b2c793.jpg?v=1781242654 Filter King 25.5x17.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 17.5 x .75" Filter King 25.5x17.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 17.5 x .75" https://hvacdirectusa.com/products/filter-king-24-5x17x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-24-5-x-17-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_78c8df0b-eca6-4bba-9b3b-c3d7e48235a1.jpg?v=1781242653 Filter King 24.5x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 17 x .75" - Filter King 24.5x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 17 x .75" - https://hvacdirectusa.com/products/filter-king-25-5x17x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-17-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_141bbc54-ff2c-4ac7-88a8-216f4f5128af.jpg?v=1781242652 Filter King 25.5x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 17 x .75" Filter King 25.5x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 17 x .75" https://hvacdirectusa.com/products/filter-king-25-5x19-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-19-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a4983e02-5603-4127-882e-70e6acc34c24.jpg?v=1781242652 Filter King 25.5x19.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 19.5 x .75" Filter King 25.5x19.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 19.5 x .75" https://hvacdirectusa.com/products/filter-king-25-5x20-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-20-5-x-75-fk25-5x20-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d2fa11c8-5e76-4818-a3be-1b4d641db470.jpg?v=1781242651 Filter King 25.5x20.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 20.5 x .75" - FK25.5x20.5x1A-M8 -4 Filter King 25.5x20.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 20.5 x .75" - FK25.5x20.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x21-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-21-5-x-75-fk25-5x21-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4fb1fb4b-790e-4759-ae39-b9c214cc938d.jpg?v=1781242650 Filter King 25.5x21.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 21.5 x .75" - FK25.5x21.5x1A-M8 -4 Filter King 25.5x21.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 21.5 x .75" - FK25.5x21.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x22-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-22-5-x-75-fk25-5x22-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_db5fceb0-ce38-40dd-9190-c1e7f309abdd.jpg?v=1781242650 Filter King 25.5x22.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 22.5 x .75" - FK25.5x22.5x1A-M8 -4 Filter King 25.5x22.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 22.5 x .75" - FK25.5x22.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x23-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-23-5-x-75-fk25-5x23-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_438bc0ab-c24a-4dfb-9f34-42abba376a24.jpg?v=1781242649 Filter King 25.5x23.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 23.5 x .75" - FK25.5x23.5x1A-M8 - 4 Filter King 25.5x23.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 23.5 x .75" - FK25.5x23.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-25-5x23x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-23-x-75-fk25-5x23x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d251a0dd-18cb-421f-9f7c-60c386bf524e.jpg?v=1781242649 Filter King 25.5x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 23 x .75" - FK25.5x23x1A-M8 -4 Filter King 25.5x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 23 x .75" - FK25.5x23x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x24-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-24-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_260d9bd2-a101-412c-871e-caae50afb8a7.jpg?v=1781242648 Filter King 25.5x24.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 24.5 x .75" Filter King 25.5x24.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 24.5 x .75" https://hvacdirectusa.com/products/filter-king-25-5x25-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-25-5-x-75-fk25-5x25-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d23771e0-e962-4a1a-9703-fc953c0be750.jpg?v=1781242647 Filter King 25.5x25.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 25.5 x .75" - FK25.5x25.5x1A-M8 -4 Filter King 25.5x25.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 25.5 x .75" - FK25.5x25.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x25x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-25-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1a991a56-d37a-4b1b-bddc-9ee79ef81a1f.jpg?v=1781242647 Filter King 25.5x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 25 x .75 Filter King 25.5x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 25 x .75 https://hvacdirectusa.com/products/filter-king-25-5x26-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-26-5-x-75-fk25-5x26-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_451bb554-d61d-48de-bbc0-e2bcaf34e252.jpg?v=1781242646 Filter King 25.5x26.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 26.5 x .75" - FK25.5x26.5x1A-M8 - 4 Filter King 25.5x26.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 26.5 x .75" - FK25.5x26.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-25-5x27-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-27-5-x-75-fk25-5x27-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d6e42cae-622f-4055-ad0a-be778c284b61.jpg?v=1781242645 Filter King 25.5x27.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 27.5 x .75" - FK25.5x27.5x1A-M8 -4 Filter King 25.5x27.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 27.5 x .75" - FK25.5x27.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x27x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-27-x-75-fk25-5x27x1a-m8-1 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8e3b28ac-032b-46ad-beef-89d5b1cf88a3.jpg?v=1781242645 Filter King 25.5x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 27 x .75" - FK25.5x27x1A-M8 -1 Filter King 25.5x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 27 x .75" - FK25.5x27x1A-M8 -1 https://hvacdirectusa.com/products/filter-king-25-5x29-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-29-5-x-75-fk25-5x29-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_11b5b550-4edd-44bc-b887-53286d4cae35.jpg?v=1781242644 Filter King 25.5x29.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 29.5 x .75" - FK25.5x29.5x1A-M8 - 4 Filter King 25.5x29.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 29.5 x .75" - FK25.5x29.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-25-5x29x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-29-x-75-fk25-5x29x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d19befee-67b2-4a31-95e1-0e59e500deec.jpg?v=1781242643 Filter King 25.5x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 29 x .75" - FK25.5x29x1A-M8 -4 Filter King 25.5x29x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 29 x .75" - FK25.5x29x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x30-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-30-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0f4f9dbd-165e-4b58-95ab-e2dac2eb9088.jpg?v=1781242643 Filter King 25.5x30.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 30.5 x .75" Filter King 25.5x30.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 30.5 x .75" https://hvacdirectusa.com/products/filter-king-25-5x30x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-30-x-75-fk25-5x30x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a5e40fe4-18c5-498f-be96-81f41f87d95a.jpg?v=1781242642 Filter King 25.5x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 30 x .75" - FK25.5x30x1A-M8 -4 Filter King 25.5x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 30 x .75" - FK25.5x30x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x31-5x1-air-filter-4-pack-merv-8-actual-size-25-5-x-31-5-x-75-fk25-5x31-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_95926329-469b-4efa-a153-e6e3f0b9130b.jpg?v=1781242642 Filter King 25.5x31.5x1 Air Filter 4-PACK MERV 8 Actual Size 25.5 x 31.5 x .75" - FK25.5x31.5x1A-M8 -4 Filter King 25.5x31.5x1 Air Filter 4-PACK MERV 8 Actual Size 25.5 x 31.5 x .75" - FK25.5x31.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x31x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-31-x-75-fk25-5x31x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4627fe83-b5b2-41e3-9ef1-0f108e237dc6.jpg?v=1781242641 Filter King 25.5x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 31 x .75" - FK25.5x31x1A-M8-4 Filter King 25.5x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 31 x .75" - FK25.5x31x1A-M8-4 https://hvacdirectusa.com/products/filter-king-25-5x32-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-32-5-x-75-fk25-5x32-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c8bd6b67-930e-42b1-8e86-cb1af2e86e18.jpg?v=1781242640 Filter King 25.5x32.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 32.5 x .75" - FK25.5x32.5x1A-M8 -4 Filter King 25.5x32.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 32.5 x .75" - FK25.5x32.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x32x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-32-x-75-fk25-5x32x1a-m8-1 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_49479621-9e9d-4271-bb62-cd006dfda152.jpg?v=1781242640 Filter King 25.5x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 32 x .75" - FK25.5x32x1A-M8 -1 Filter King 25.5x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 32 x .75" - FK25.5x32x1A-M8 -1 https://hvacdirectusa.com/products/filter-king-25-5x34-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-34-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1e34c9e6-53c3-498a-b656-c05e34e41c78.jpg?v=1781242639 Filter King 25.5x34.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 34.5 x .75" Filter King 25.5x34.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 34.5 x .75" https://hvacdirectusa.com/products/filter-king-25-5x34x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-34-x-75-fk25-5x34x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_067964a0-837f-4107-a026-7da204ee736a.jpg?v=1781242638 Filter King 25.5x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 34 x .75" - FK25.5x34x1A-M8 - 4 Filter King 25.5x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 34 x .75" - FK25.5x34x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-25-5x35-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-35-5-x-75-fk25-5x35-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_63c978f3-1570-40c0-addf-9a11e52e3d46.jpg?v=1781242638 Filter King 25.5x35.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 35.5 x .75" - FK25.5x35.5x1A-M8 -4 Filter King 25.5x35.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 35.5 x .75" - FK25.5x35.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x35x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-35-x-75-fk25-5x35x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9f0f2c92-91eb-4902-a27d-c9b2da5ac8c4.jpg?v=1781242637 Filter King 25.5x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 35 x .75" - FK25.5x35x1A-M8 -4 Filter King 25.5x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 35 x .75" - FK25.5x35x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x36-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-36-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_50d042f4-77a7-41c2-a834-3df1a994b2c8.jpg?v=1781242636 Filter King 25.5x36.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 36.5 x .75" Filter King 25.5x36.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 36.5 x .75" https://hvacdirectusa.com/products/filter-king-25-5x36x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-36-x-75-fk25-5x36x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f1a72d0f-fec1-428b-86a2-568ff3143d66.jpg?v=1781242636 Filter King 25.5x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 36 x .75" - FK25.5x36x1A-M8 -4 Filter King 25.5x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 36 x .75" - FK25.5x36x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x37-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-37-5-x-75-fk25-5x37-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_06ced9fb-0466-4b25-afb3-edbee611786f.jpg?v=1781242635 Filter King 25.5x37.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 37.5 x .75" - FK25.5x37.5x1A-M8 -4 Filter King 25.5x37.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 37.5 x .75" - FK25.5x37.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x37x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-37-x-75-fk25-5x37x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_aff64b8a-9c3f-440b-a90a-14ffb8c49731.jpg?v=1781242634 Filter King 25.5x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 37 x .75" - FK25.5x37x1A-M8 -4 Filter King 25.5x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 37 x .75" - FK25.5x37x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x38-5x1-air-filter-4-pack-merv-8-actual-size-25-5-x-38-5-x-75-fk25-5x38-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7068ad39-20c7-4157-b460-89aafab8cdd9.jpg?v=1781242634 Filter King 25.5x38.5x1 Air Filter 4-PACK MERV 8 Actual Size 25.5 x 38.5 x .75" - FK25.5x38.5x1A-M8 -4 Filter King 25.5x38.5x1 Air Filter 4-PACK MERV 8 Actual Size 25.5 x 38.5 x .75" - FK25.5x38.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x38x1-air-filter-4-pack-merv-8-actual-size-25-5-x-38-x-75-fk25-5x38x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_83274ae1-a986-4f17-933a-f2e8f4baa22b.jpg?v=1781242633 Filter King 25.5x38x1 Air Filter 4-PACK MERV 8 Actual Size 25.5 x 38 x .75" - FK25.5x38x1A-M8-4 Filter King 25.5x38x1 Air Filter 4-PACK MERV 8 Actual Size 25.5 x 38 x .75" - FK25.5x38x1A-M8-4 https://hvacdirectusa.com/products/filter-king-25-5x39-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-39-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a1b4396e-5691-4e63-af92-6d0d8507cf53.jpg?v=1781242633 Filter King 25.5x39.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 39.5 x .75" Filter King 25.5x39.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 39.5 x .75" https://hvacdirectusa.com/products/filter-king-25-5x4-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-4-5-x-75-fk25-5x4-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d27f09f0-3c51-41f4-aaab-099bba432516.jpg?v=1781242632 Filter King 25.5x4.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 4.5 x .75" - FK25.5x4.5x1A-M8 - 4 Filter King 25.5x4.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 4.5 x .75" - FK25.5x4.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-25-5x40-5x1-air-filter-4-pack-merv-8-actual-size-25-5-x-40-5-x-75-fk25-5x40-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_391c8866-7b77-451a-aee0-a6dea338dbf9.jpg?v=1781242631 Filter King 25.5x40.5x1 Air Filter 4-PACK MERV 8 Actual Size 25.5 x 40.5 x .75" - FK25.5x40.5x1A-M8 -4 Filter King 25.5x40.5x1 Air Filter 4-PACK MERV 8 Actual Size 25.5 x 40.5 x .75" - FK25.5x40.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x40x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-40-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9da2d703-8343-4640-a8ed-cd369bf9bfca.jpg?v=1781242631 Filter King 25.5x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 40 x .75" Filter King 25.5x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 40 x .75" https://hvacdirectusa.com/products/filter-king-25-5x41-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-41-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_dc00e02e-9d3d-44a9-bbf0-2ba4ea9a772a.jpg?v=1781242630 Filter King 25.5x41.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 41.5 x .75" Filter King 25.5x41.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 41.5 x .75" https://hvacdirectusa.com/products/filter-king-25-5x42-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-42-5-x-75-fk25-5x42-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2d84e995-7b66-419b-9b09-aa12df220aee.jpg?v=1781242629 Filter King 25.5x42.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 42.5 x .75" - FK25.5x42.5x1A-M8 -4 Filter King 25.5x42.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 42.5 x .75" - FK25.5x42.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x43-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-43-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_aa23c7af-9113-4216-b323-2017279baf92.jpg?v=1781242629 Filter King 25.5x43.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 43.5 x .75" Filter King 25.5x43.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 43.5 x .75" https://hvacdirectusa.com/products/filter-king-25-5x43x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-43-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1ce85b4a-c6f9-42f7-b815-449f044e37f5.jpg?v=1781242628 Filter King 25.5x43x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 43 x .75" Filter King 25.5x43x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 43 x .75" https://hvacdirectusa.com/products/filter-king-25-5x44-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-44-5-x-75-fk25-5x44-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b374679d-53f4-4f5f-b231-0ac03fd17053.jpg?v=1781242627 Filter King 25.5x44.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 44.5 x .75" - FK25.5x44.5x1A-M8 -4 Filter King 25.5x44.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 44.5 x .75" - FK25.5x44.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x44x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-44-x-75-fk25-5x44x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f335ec5d-c953-4402-baf5-2d7da1f9de9e.jpg?v=1781242626 Filter King 25.5x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 44 x .75" - FK25.5x44x1A-M8 -4 Filter King 25.5x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 44 x .75" - FK25.5x44x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x45-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-45-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_121b8bb9-9a26-4730-9d88-fb66f4ea9def.jpg?v=1781242626 Filter King 25.5x45.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 45.5 x .75" Filter King 25.5x45.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 45.5 x .75" https://hvacdirectusa.com/products/filter-king-25-5x46-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-46-5-x-75-fk25-5x46-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2dcd130c-e5de-4f66-9555-964d2d6ec094.jpg?v=1781242625 Filter King 25.5x46.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 46.5 x .75" - FK25.5x46.5x1A-M8 -4 Filter King 25.5x46.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 46.5 x .75" - FK25.5x46.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x47-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-47-5-x-75-fk25-5x47-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_68929259-35a0-498f-ac14-6896c832bf2b.jpg?v=1781242624 Filter King 25.5x47.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 47.5 x .75" - FK25.5x47.5x1A-M8-4 Filter King 25.5x47.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 47.5 x .75" - FK25.5x47.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-25-5x47x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-47-x-75-fk25-5x47x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e337d7b0-1c13-4bd5-bec0-386d65996534.jpg?v=1781242624 Filter King 25.5x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 47 x .75" - FK25.5x47x1A-M8 -4 Filter King 25.5x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 47 x .75" - FK25.5x47x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x48-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-48-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f8b2316a-7d0d-4267-8ebb-48f0765e22ba.jpg?v=1781242623 Filter King 25.5x48.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 48.5 x .75" Filter King 25.5x48.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 48.5 x .75" https://hvacdirectusa.com/products/filter-king-25-5x48x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-48-x-75-fk25-5x48x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9cf9c980-8270-4fd2-ae7e-91a75fdc11e5.jpg?v=1781242623 Filter King 25.5x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 48 x .75" - FK25.5x48x1A-M8-4 Filter King 25.5x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 48 x .75" - FK25.5x48x1A-M8-4 https://hvacdirectusa.com/products/filter-king-25-5x49-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-49-5-x-75-fk25-5x49-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a426a4b7-ef05-40e7-b128-a55d6196186a.jpg?v=1781242622 Filter King 25.5x49.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 49.5 x .75" - FK25.5x49.5x1A-M8 -4 Filter King 25.5x49.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 49.5 x .75" - FK25.5x49.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x49x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-49-x-75-fk25-5x49x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_49ca5493-cd2e-4875-8dde-0b54a12dae81.jpg?v=1781242621 Filter King 25.5x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 49 x .75" - FK25.5x49x1A-M8 -4 Filter King 25.5x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 49 x .75" - FK25.5x49x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x50-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-50-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6513e856-f650-4216-83b5-a5cd7b50f712.jpg?v=1781242621 Filter King 25.5x50.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 50.5 x .75" Filter King 25.5x50.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 50.5 x .75" https://hvacdirectusa.com/products/filter-king-25-5x50x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-50-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_320c9b09-37a3-4549-9fd2-c2dfb5c2541d.jpg?v=1781242620 Filter King 25.5x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 50 x .75" Filter King 25.5x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 50 x .75" https://hvacdirectusa.com/products/filter-king-25-5x51-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-51-5-x-75-fk25-5x51-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_367a9675-75bc-4be4-b986-2c6e391620dd.jpg?v=1781242620 Filter King 25.5x51.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 51.5 x .75" - FK25.5x51.5x1A-M8 -4 Filter King 25.5x51.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 51.5 x .75" - FK25.5x51.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x52-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-52-5-x-75-fk25-5x52-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ac8e20c8-6329-4ae8-9cda-f4d9b37de887.jpg?v=1781242619 Filter King 25.5x52.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 52.5 x .75" - FK25.5x52.5x1A-M8 -4 Filter King 25.5x52.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 52.5 x .75" - FK25.5x52.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x53-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-53-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_28fe3a6e-e3db-48ce-b82b-0fccc5078051.jpg?v=1781242618 Filter King 25.5x53.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 53.5 x .75" Filter King 25.5x53.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 53.5 x .75" https://hvacdirectusa.com/products/filter-king-25-5x53x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-53-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_588bb609-3987-465f-bb73-5c924e5b2dd1.jpg?v=1781242618 Filter King 25.5x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 53 x .75" Filter King 25.5x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 53 x .75" https://hvacdirectusa.com/products/filter-king-25-5x40-5x1-air-filter-4-pack-merv-8-actual-size-25-5-x-40-5-x-75-fk25-5x40-5x1a-m8-5 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_cb2f2490-6124-477e-8d8d-ed4cbce3b68b.jpg?v=1781242617 Filter King 25.5x40.5x1 Air Filter 4-PACK MERV 8 Actual Size 25.5 x 40.5 x .75" - FK25.5x40.5x1A-M8 -4 Filter King 25.5x40.5x1 Air Filter 4-PACK MERV 8 Actual Size 25.5 x 40.5 x .75" - FK25.5x40.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x55-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-55-5-x-75-fk25-5x55-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_bea44236-2e58-43bf-b56d-03a280764c6a.jpg?v=1781242616 Filter King 25.5x55.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 55.5 x .75" - FK25.5x55.5x1A-M8 -4 Filter King 25.5x55.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 55.5 x .75" - FK25.5x55.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x55x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-55-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_09be2f88-bae3-4e28-8657-56a322d93405.jpg?v=1781242615 Filter King 25.5x55x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 55 x .75" Filter King 25.5x55x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 55 x .75" https://hvacdirectusa.com/products/filter-king-25-5x56-5x1-air-filter-4-pack-merv-8-actual-size-25-5-x-56-5-x-75-fk25-5x56-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f1b9e243-6a1a-454f-b42a-8fa5a75884fb.jpg?v=1781242614 Filter King 25.5x56.5x1 Air Filter 4-PACK MERV 8 Actual Size 25.5 x 56.5 x .75" - FK25.5x56.5x1A-M8 -4 Filter King 25.5x56.5x1 Air Filter 4-PACK MERV 8 Actual Size 25.5 x 56.5 x .75" - FK25.5x56.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x57-5x1-air-filter-4-pack-merv-8-actual-size-25-5-x-57-5-x-75-fk25-5x57-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a2194917-4732-4b32-bf13-3ae3ad4a642e.jpg?v=1781242608 Filter King 25.5x57.5x1 Air Filter 4-PACK MERV 8 Actual Size 25.5 x 57.5 x .75" - FK25.5x57.5x1A-M8 -4 Filter King 25.5x57.5x1 Air Filter 4-PACK MERV 8 Actual Size 25.5 x 57.5 x .75" - FK25.5x57.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x58-5x1-air-filter-4-pack-merv-8-actual-size-25-5-x-58-5-x-75-fk25-5x58-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_183ebe44-350b-478f-ae7f-ca5c2e70dc5c.jpg?v=1781242608 Filter King 25.5x58.5x1 Air Filter 4-PACK MERV 8 Actual Size 25.5 x 58.5 x .75" - FK25.5x58.5x1A-M8 -4 Filter King 25.5x58.5x1 Air Filter 4-PACK MERV 8 Actual Size 25.5 x 58.5 x .75" - FK25.5x58.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x58x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-58-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b1c685a9-efe3-4204-98c9-98fb5b0f2408.jpg?v=1781242607 Filter King 25.5x58x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 58 x .75" Filter King 25.5x58x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 58 x .75" https://hvacdirectusa.com/products/filter-king-25-5x59x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-59-x-75-fk25-5x59x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f8620bd8-e381-4479-982a-ec132d974d51.jpg?v=1781242606 Filter King 25.5x59x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 59 x .75" - FK25.5x59x1A-M8 -4 Filter King 25.5x59x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 59 x .75" - FK25.5x59x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x6-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-6-5-x-75-fk25-5x6-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5fce3467-484e-4877-8e22-bbf67a2f6cd7.jpg?v=1781242605 Filter King 25.5x6.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 6.5 x .75" - FK25.5x6.5x1A-M8 -4 Filter King 25.5x6.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 6.5 x .75" - FK25.5x6.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x60-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-60-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8384634c-4eaa-4b23-9f8d-7f70b4e64c74.jpg?v=1781242604 Filter King 25.5x60.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 60.5 x .75" Filter King 25.5x60.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 60.5 x .75" https://hvacdirectusa.com/products/filter-king-25-5x60x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-60-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_056eef38-90f6-4e9a-9975-bd9b202e9aac.jpg?v=1781242603 Filter King 25.5x60x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 60 x .75" Filter King 25.5x60x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 60 x .75" https://hvacdirectusa.com/products/filter-king-25-5x61-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-61-5-x-75-fk25-5x61-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4adcb355-6e4b-4df2-b8f1-76e43dcaf054.jpg?v=1781242602 Filter King 25.5x61.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 61.5 x .75" - FK25.5x61.5x1A-M8 -4 Filter King 25.5x61.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 61.5 x .75" - FK25.5x61.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x61x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-61-x-75-fk25-5x61x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_80563cef-ee0d-4191-a20f-1056cde9a1ec.jpg?v=1781242601 Filter King 25.5x61x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 61 x .75" - FK25.5x61x1A-M8 -4 Filter King 25.5x61x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 61 x .75" - FK25.5x61x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x62-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-62-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4cc3b9b5-3d40-4281-abc3-133e8519f297.jpg?v=1781242600 Filter King 25.5x62.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 62.5 x .75" Filter King 25.5x62.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 62.5 x .75" https://hvacdirectusa.com/products/filter-king-25-5x63-5x1-air-filter-4-pack-merv-8-actual-size-25-5-x-63-5-x-75-fk25-5x63-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6829148c-6039-4edf-8346-8decd71cc815.jpg?v=1781242598 Filter King 25.5x63.5x1 Air Filter 4-PACK MERV 8 Actual Size 25.5 x 63.5 x .75" - FK25.5x63.5x1A-M8 -4 Filter King 25.5x63.5x1 Air Filter 4-PACK MERV 8 Actual Size 25.5 x 63.5 x .75" - FK25.5x63.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x64-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-64-5-x-75-fk25-5x64-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f53151ee-aaf4-4b9b-a51b-76869bbccf22.jpg?v=1781242597 Filter King 25.5x64.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 64.5 x .75" - FK25.5x64.5x1A-M8 -4 Filter King 25.5x64.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 64.5 x .75" - FK25.5x64.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x64x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-64-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_01c7cdd8-9d51-4455-8e97-0a6b84038267.jpg?v=1781242596 Filter King 25.5x64x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 64 x .75" Filter King 25.5x64x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 64 x .75" https://hvacdirectusa.com/products/filter-king-25-5x65-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-65-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6313b32a-6bc7-4ae6-b0ef-7ca05fd2a3cb.jpg?v=1781242595 Filter King 25.5x65.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 65.5 x .75" Filter King 25.5x65.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 65.5 x .75" https://hvacdirectusa.com/products/filter-king-25-5x65x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-65-x-75-fk25-5x65x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f1e0ad9d-053a-42f7-b814-e5bb88f4050a.jpg?v=1781242594 Filter King 25.5x65x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 65 x .75" - FK25.5x65x1A-M8 -4 Filter King 25.5x65x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 65 x .75" - FK25.5x65x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x66-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-66-5-x-75-fk25-5x66-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_18dc07a7-072d-46b1-992d-85077631961a.jpg?v=1781242593 Filter King 25.5x66.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 66.5 x .75" - FK25.5x66.5x1A-M8 -4 Filter King 25.5x66.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 66.5 x .75" - FK25.5x66.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x6x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-6-x-75-fk25-5x6x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4c92d6ec-5d93-4e4a-8872-b4e52953e4d2.jpg?v=1781242592 Filter King 25.5x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 6 x .75" - FK25.5x6x1A-M8 -4 Filter King 25.5x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 6 x .75" - FK25.5x6x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x7-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-7-5-x-75-fk25-5x7-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6376be81-e41a-46f5-93a2-45cdc87695de.jpg?v=1781242590 Filter King 25.5x7.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 7.5 x .75" - FK25.5x7.5x1A-M8 -4 Filter King 25.5x7.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 7.5 x .75" - FK25.5x7.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x8-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-8-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c0e8f9f7-a849-4fa6-9abd-bc5ae231106b.jpg?v=1781242589 Filter King 25.5x8.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 8.5 x .75" Filter King 25.5x8.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 8.5 x .75" https://hvacdirectusa.com/products/filter-king-25-5x9-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-9-5-x-75-fk25-5x9-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9d13aae6-676c-40f8-9e61-b50cfba4129c.jpg?v=1781242588 Filter King 25.5x9.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 9.5 x .75" - FK25.5x9.5x1A-M8 -4 Filter King 25.5x9.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 9.5 x .75" - FK25.5x9.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25-5x9x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-5-x-9-x-75-fk25-5x9x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1d59bf07-0c64-4e55-b57a-5ea3ba03e9c4.jpg?v=1781242587 Filter King 25.5x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 9 x .75" - FK25.5x9x1A-M8 -4 Filter King 25.5x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25.5 x 9 x .75" - FK25.5x9x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x10-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-10-5-x-75-fk25x10-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6d899be2-829e-44e2-8249-96a6222ad104.jpg?v=1781242586 Filter King 25x10.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 10.5 x .75" - FK25x10.5x1A-M8 -4 Filter King 25x10.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 10.5 x .75" - FK25x10.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x10x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-10-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c012dc22-30be-4f0c-9e60-f809f00e05c1.jpg?v=1781242585 Filter King 25x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 10 x .75" Filter King 25x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 10 x .75" https://hvacdirectusa.com/products/filter-king-25x11-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-11-5-x-75-fk25x11-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_63456463-aced-46a8-a840-beb8d0600cec.jpg?v=1781242584 Filter King 25x11.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 11.5 x .75" - FK25x11.5x1A-M8 -4 Filter King 25x11.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 11.5 x .75" - FK25x11.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x11x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-11-x-75-fk25x11x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_54a5b4f1-869e-4e38-981a-3ad7af49daae.jpg?v=1781242584 Filter King 25x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 11 x .75" - FK25x11x1A-M8 -4 Filter King 25x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 11 x .75" - FK25x11x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x12-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-12-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2180860a-64ce-4924-bfb7-6ac5726d4397.jpg?v=1781242583 Filter King 25x12.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 12.5 x .75" Filter King 25x12.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 12.5 x .75" https://hvacdirectusa.com/products/filter-king-25x12x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-12-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_90d75ccb-e162-420d-a07d-ae8f628612fa.jpg?v=1781242582 Filter King 25x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 12 x .75" Filter King 25x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 12 x .75" https://hvacdirectusa.com/products/filter-king-25x13x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-13-x-75-fk25x13x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7d83ba1f-4696-4298-8c01-5cd5dba20b0d.jpg?v=1781242581 Filter King 25x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 13 x .75" - FK25x13x1A-M8 -4 Filter King 25x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 13 x .75" - FK25x13x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x14-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-14-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_29298f15-8c23-4f1a-ad6b-6fab8000b562.jpg?v=1781242580 Filter King 25x14.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 14.5 x .75" Filter King 25x14.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 14.5 x .75" https://hvacdirectusa.com/products/filter-king-25x14x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-14-x-75-fk25x14x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0831da86-b316-4065-b395-dd282ef162f9.jpg?v=1781242580 Filter King 25x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 14 x .75" - FK25x14x1A-M8 -4 Filter King 25x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 14 x .75" - FK25x14x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x15-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-15-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e39631a0-e85e-4d18-96e5-d84e3b1d5af4.jpg?v=1781242579 Filter King 25x15.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 15.5 x .75 Filter King 25x15.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 15.5 x .75 https://hvacdirectusa.com/products/filter-king-25x15x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-15-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_dca71196-f5e8-4077-94bb-75d2246d2867.jpg?v=1781242578 Filter King 25x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 15 x .75" Filter King 25x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 15 x .75" https://hvacdirectusa.com/products/filter-king-25x16-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-16-5-x-75-fk25x16-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_768a6c2d-aaed-47d8-b78a-69aa0f44c460.jpg?v=1781242577 Filter King 25x16.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 16.5 x .75" - FK25x16.5x1A-M8 -4 Filter King 25x16.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 16.5 x .75" - FK25x16.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x16x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-16-x-75-fk25x16x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9c9c1a4f-66a0-4bcd-bd50-d8c56b64b468.jpg?v=1781242576 Filter King 25x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 16 x .75" - FK25x16x1A-M8 -4 Filter King 25x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 16 x .75" - FK25x16x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x17-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-17-5-x-75-fk25x17-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_724fd216-ea63-409d-a2e0-e6862662a1a4.jpg?v=1781242576 Filter King 25x17.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 17.5 x .75" - FK25x17.5x1A-M8 -4 Filter King 25x17.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 17.5 x .75" - FK25x17.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x17x1-air-filter-4-pack-merv-8-actual-size-25-x-17-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_464fe1f8-655e-4346-b316-86e0a0fa7dc1.jpg?v=1781242575 Filter King 25x17x1 Air Filter 4-PACK MERV 8 Actual Size 25 x 17 x .75" Filter King 25x17x1 Air Filter 4-PACK MERV 8 Actual Size 25 x 17 x .75" https://hvacdirectusa.com/products/filter-king-25x18-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-18-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b1047398-1ecb-4e44-91ec-a7672389c9f2.jpg?v=1781242574 Filter King 25x18.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 18.5 x .75" Filter King 25x18.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 18.5 x .75" https://hvacdirectusa.com/products/filter-king-25x18x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-18-x-75-fk25x18x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8c7fd230-ee2e-4dd6-af05-4067e43f1087.jpg?v=1781242573 Filter King 25x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 18 x .75" - FK25x18x1A-M8 -4 Filter King 25x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 18 x .75" - FK25x18x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x19-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-19-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_bd3fda62-45a5-4f54-901e-e2896e5e53d2.jpg?v=1781242573 Filter King 25x19.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 19.5 x .75" Filter King 25x19.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 19.5 x .75" https://hvacdirectusa.com/products/filter-king-25x19x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-19-x-75-fk25x19x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f4c4853a-829d-46fe-9c3d-f30f39267a0e.jpg?v=1781242572 Filter King 25x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 19 x .75" - FK25x19x1A-M8-4 Filter King 25x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 19 x .75" - FK25x19x1A-M8-4 https://hvacdirectusa.com/products/filter-king-25x20-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-20-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d38c9213-38c4-4963-a2ab-35d25e352f94.jpg?v=1781242571 Filter King 25x20.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 20.5 x .75" Filter King 25x20.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 20.5 x .75" https://hvacdirectusa.com/products/filter-king-25x20x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-20-x-75-fk25x20x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d81a7a44-78d3-4f89-9447-385e0029e402.jpg?v=1781242570 Filter King 25x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 20 x .75" - FK25x20x1A-M8 - 4 Filter King 25x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 20 x .75" - FK25x20x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-25x21-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-21-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6d2490ec-4e65-493f-bcc1-b3424930f462.jpg?v=1781242569 Filter King 25x21.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 21.5 x .75" Filter King 25x21.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 21.5 x .75" https://hvacdirectusa.com/products/filter-king-25x22-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-22-5-x-75-fk25x22-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a312b35b-c532-4572-af46-e2399f13cadc.jpg?v=1781242568 Filter King 25x22.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 22.5 x .75" - FK25x22.5x1A-M8 -4 Filter King 25x22.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 22.5 x .75" - FK25x22.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x22x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-22-x-75-fk25x22x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2bb2b8cd-6872-43ac-9960-accb7d2bc9a6.jpg?v=1781242567 Filter King 25x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 22 x .75" - FK25x22x1A-M8 -4 Filter King 25x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 22 x .75" - FK25x22x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x23x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-23-x-75-fk25x23x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b2cc6641-ebca-4584-9ee1-56b2b9f49bed.jpg?v=1781242567 Filter King 25x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 23 x .75" - FK25x23x1A-M8 -4 Filter King 25x23x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 23 x .75" - FK25x23x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x24-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-24-5-x-75-fk25x24-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_608ccad2-161c-4c53-9f42-537fa63085d4.jpg?v=1781242566 Filter King 25x24.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 24.5 x .75" - FK25x24.5x1A-M8 -4 Filter King 25x24.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 24.5 x .75" - FK25x24.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-20x61-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-20-x-61-5-x-75filter-king-25x24x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-24-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_057c503c-1487-4d4c-a103-5888aef0828e.jpg?v=1781242565 Filter King 20x61.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 61.5 x .75"Filter King 25x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 24 x .75" Filter King 20x61.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 61.5 x .75"Filter King 25x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 24 x .75" https://hvacdirectusa.com/products/filter-king-25x25-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-25-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_abdad54d-af6e-416f-ba67-17d2b0746b60.jpg?v=1781242564 Filter King 25x25.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 25.5 x .75" Filter King 25x25.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 25.5 x .75" https://hvacdirectusa.com/products/filter-king-25x26-5x1-air-filter-4-pack-merv-8-actual-size-25-x-26-5-x-75-fk25x26-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_94509fa4-5dd8-43c2-aca5-7911408ab4ae.jpg?v=1781242563 Filter King 25x26.5x1 Air Filter 4-PACK MERV 8 Actual Size 25 x 26.5 x .75" - FK25x26.5x1A-M8 -4 Filter King 25x26.5x1 Air Filter 4-PACK MERV 8 Actual Size 25 x 26.5 x .75" - FK25x26.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x26x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-26-x-75-fk25x26x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2f925ae8-4814-402f-973f-76ddad107db5.jpg?v=1781242562 Filter King 25x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 26 x .75" - FK25x26x1A-M8 -4 Filter King 25x26x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 26 x .75" - FK25x26x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x27-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-27-5-x-75-fk25x27-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5e840ae9-0783-48d5-8110-38aba74f1de5.jpg?v=1781242562 Filter King 25x27.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 27.5 x .75" - FK25x27.5x1A-M8 -4 Filter King 25x27.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 27.5 x .75" - FK25x27.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x27x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-27-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b93995c3-023e-4955-a87a-b60598348529.jpg?v=1781242561 Filter King 25x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 27 x .75" Filter King 25x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 27 x .75" https://hvacdirectusa.com/products/filter-king-25x28-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-28-5-x-75-fk25x28-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_0ef4aaaf-3403-44fd-846c-03c2af4d0bb7.jpg?v=1781242560 Filter King 25x28.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 28.5 x .75" - FK25x28.5x1A-M8 -4 Filter King 25x28.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 28.5 x .75" - FK25x28.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x29-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-29-5-x-75-fk25x29-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9fdbd5e0-2eff-4323-ba6f-c08eb766255d.jpg?v=1781242559 Filter King 25x29.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 29.5 x .75" - FK25x29.5x1A-M8-4 Filter King 25x29.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 29.5 x .75" - FK25x29.5x1A-M8-4 https://hvacdirectusa.com/products/filter-king-25x30-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-30-5-x-75-fk25x30-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9028fd18-59fe-4e8a-83b7-ff3b0b1939ac.jpg?v=1781242558 Filter King 25x30.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 30.5 x .75" - FK25x30.5x1A-M8 -4 Filter King 25x30.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 30.5 x .75" - FK25x30.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x31-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-31-5-x-75-fk25x31-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_fe600372-48a8-4fad-a330-8cc9ef37158b.jpg?v=1781242557 Filter King 25x31.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 31.5 x .75" - FK25x31.5x1A-M8 -4 Filter King 25x31.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 31.5 x .75" - FK25x31.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x31x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-31-x-77 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f0df01cc-f13d-4428-bc14-b9f2c4a7c7a3.jpg?v=1781242557 Filter King 25x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 31 x .75" Filter King 25x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 31 x .75" https://hvacdirectusa.com/products/filter-king-25x32-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-32-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_47cd624c-e612-4556-b842-d51e1e1349f7.jpg?v=1781242556 Filter King 25x32.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 32.5 x .75" Filter King 25x32.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 32.5 x .75" https://hvacdirectusa.com/products/filter-king-25x32x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-32-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_df05c1b1-4fdb-47f8-9c12-fa3e4ba4950a.jpg?v=1781242555 Filter King 25x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 32 x .75" Filter King 25x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 32 x .75" https://hvacdirectusa.com/products/filter-king-25x33-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-33-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f52343da-06f8-46e2-affc-a6cd6622715e.jpg?v=1781242555 Filter King 25x33.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 33.5 x .75" Filter King 25x33.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 33.5 x .75" https://hvacdirectusa.com/products/filter-king-25x33x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-33-x-75-fk25x33x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c61937a1-a558-4d00-b272-e9a7b0d8e6a9.jpg?v=1781242554 Filter King 25x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 33 x .75" - FK25x33x1A-M8 -4 Filter King 25x33x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 33 x .75" - FK25x33x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x34-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-34-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d450ecb9-9c96-4753-bf39-4d45c99c57bb.jpg?v=1781242553 Filter King 25x34.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 34.5 x .75" Filter King 25x34.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 34.5 x .75" https://hvacdirectusa.com/products/filter-king-25x34x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-34-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1978141c-a5f4-4395-add7-b78402f6450b.jpg?v=1781242552 Filter King 25x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 34 x .75" Filter King 25x34x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 34 x .75" https://hvacdirectusa.com/products/filter-king-25x35-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-35-5-x-75-fk25x35-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_fa787f6b-f484-43a9-95f4-f90887081d26.jpg?v=1781242551 Filter King 25x35.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 35.5 x .75" - FK25x35.5x1A-M8 -4 Filter King 25x35.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 35.5 x .75" - FK25x35.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x35x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-35-x-75-fk25x35x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1f74e990-0819-43bb-8654-21a72cd7cab8.jpg?v=1781242551 Filter King 25x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 35 x .75" - FK25x35x1A-M8 -4 Filter King 25x35x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 35 x .75" - FK25x35x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x36-5x1-air-filter-4-pack-merv-8-actual-size-25-x-36-5-x-75-fk25x36-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_bdb28ac5-1607-4b83-968c-bd50cfd9e207.jpg?v=1781242550 Filter King 25x36.5x1 Air Filter 4-PACK MERV 8 Actual Size 25 x 36.5 x .75" - FK25x36.5x1A-M8 -4 Filter King 25x36.5x1 Air Filter 4-PACK MERV 8 Actual Size 25 x 36.5 x .75" - FK25x36.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x36x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-36-x-75-fk25x36x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9e208257-1e4c-4aa3-be88-c989535bbc86.jpg?v=1781242549 Filter King 25x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 36 x .75" - FK25x36x1A-M8 -4 Filter King 25x36x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 36 x .75" - FK25x36x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x37-5x1-air-filter-4-pack-merv-8-actual-size-25-x-37-5-x-75-filter-king-25x37-5x1-air-filter-4-pack-merv-8-actual-size-25-x-37-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e962abfe-6992-4d0f-b3c1-e037483d5ba2.jpg?v=1781242548 Filter King 25x37.5x1 Air Filter 4-PACK MERV 8 Actual Size 25 x 37.5 x .75" - Filter King 25x37.5x1 Air Filter 4-PACK MERV 8 Actual Size 25 x 37.5 x .75" Filter King 25x37.5x1 Air Filter 4-PACK MERV 8 Actual Size 25 x 37.5 x .75" - Filter King 25x37.5x1 Air Filter 4-PACK MERV 8 Actual Size 25 x 37.5 x .75" https://hvacdirectusa.com/products/filter-king-25x37x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-37-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_69e61cbd-a35d-45d7-9365-51a14022d922.jpg?v=1781242547 Filter King 25x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 37 x .75" Filter King 25x37x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 37 x .75" https://hvacdirectusa.com/products/filter-king-25x38-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-38-5-x-75-fk25x38-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_dc006206-2df9-4c56-ad65-a61a53ea249c.jpg?v=1781242547 Filter King 25x38.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 38.5 x .75" - FK25x38.5x1A-M8 -4 Filter King 25x38.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 38.5 x .75" - FK25x38.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x38x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-38-x-75-fk25x38x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_fcfe18fa-16ec-4907-bb6a-e907d747a047.jpg?v=1781242546 Filter King 25x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 38 x .75" - FK25x38x1A-M8 -4 Filter King 25x38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 38 x .75" - FK25x38x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x39-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-39-5-x-75-fk25x39-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_83813818-267a-48f8-ac18-dd809da75004.jpg?v=1781242545 Filter King 25x39.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 39.5 x .75" - FK25x39.5x1A-M8 -4 Filter King 25x39.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 39.5 x .75" - FK25x39.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x39x1-air-filter-4-pack-merv-8-actual-size-25-x-39-x-75-fk25x39x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6e370b60-b6e9-41b1-91c9-f4c4247c9853.jpg?v=1781242544 Filter King 25x39x1 Air Filter 4-PACK MERV 8 Actual Size 25 x 39 x .75" - FK25x39x1A-M8 -4 Filter King 25x39x1 Air Filter 4-PACK MERV 8 Actual Size 25 x 39 x .75" - FK25x39x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x4-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-4-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_bc78f7e6-79f9-4af0-85b9-18eaf641d5a4.jpg?v=1781242544 Filter King 25x4.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 4.5 x .75" Filter King 25x4.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 4.5 x .75" https://hvacdirectusa.com/products/filter-king-25x40-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-40-5-x-75-fk25x40-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_096f703d-c867-4bed-bb42-9454d4580fbd.jpg?v=1781242543 Filter King 25x40.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 40.5 x .75" - FK25x40.5x1A-M8 -4 Filter King 25x40.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 40.5 x .75" - FK25x40.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x40x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-40-x-75-fk25x40x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_990f65d1-fd6e-486a-b848-47a8aa98070f.jpg?v=1781242542 Filter King 25x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 40 x .75" - FK25x40x1A-M8 -4 Filter King 25x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 40 x .75" - FK25x40x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x41-5x1-air-filter-4-pack-merv-8-actual-size-25-x-41-5-x-75-fk25x41-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b7605de5-baf7-4839-9369-21b1d36454c2.jpg?v=1781242541 Filter King 25x41.5x1 Air Filter 4-PACK MERV 8 Actual Size 25 x 41.5 x .75" - FK25x41.5x1A-M8 -4 Filter King 25x41.5x1 Air Filter 4-PACK MERV 8 Actual Size 25 x 41.5 x .75" - FK25x41.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x41x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-41-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3afab780-4f7f-4e67-a9e7-2e1fafb26ad8.jpg?v=1781242541 Filter King 25x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 41 x .75" Filter King 25x41x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 41 x .75" https://hvacdirectusa.com/products/filter-king-25x42-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-42-5-x-75-fk25x42-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b70058c5-ba84-4508-b2f2-abab6e49b2f6.jpg?v=1781242540 Filter King 25x42.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 42.5 x .75" - FK25x42.5x1A-M8 -4 Filter King 25x42.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 42.5 x .75" - FK25x42.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x42x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-42-x-75-fk25x42x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_dbaebe36-6fb6-409a-af58-c2d2a044c6d1.jpg?v=1781242539 Filter King 25x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 42 x .75" - FK25x42x1A-M8 -4 Filter King 25x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 42 x .75" - FK25x42x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x43-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-43-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d2aa2932-5c0a-4413-b16a-17a0bebfffe9.jpg?v=1781242538 Filter King 25x43.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 43.5 x .75" Filter King 25x43.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 43.5 x .75" https://hvacdirectusa.com/products/filter-king-25x43x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-43-x-75-fk25x43x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c2f8053b-b255-46c2-b4d7-bdf9b6a118ce.jpg?v=1781242542 Filter King 25x43x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 43 x .75" - FK25x43x1A-M8 -4 Filter King 25x43x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 43 x .75" - FK25x43x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x44-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-44-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_30788816-7c93-43c8-ab96-561a889a89fd.jpg?v=1781242536 Filter King 25x44.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 44.5 x .75" Filter King 25x44.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 44.5 x .75" https://hvacdirectusa.com/products/filter-king-25x44x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-44-x-75-fk25x44x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_20492321-d8f1-42ad-ade3-84557553af4d.jpg?v=1781242536 Filter King 25x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 44 x .75" - FK25x44x1A-M8 -4 Filter King 25x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 44 x .75" - FK25x44x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x45-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-45-5-x-75-fk25x45-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_53b9b8c4-e693-45e3-8533-8f23fb097d0d.jpg?v=1781242535 Filter King 25x45.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 45.5 x .75" - FK25x45.5x1A-M8 -4 Filter King 25x45.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 45.5 x .75" - FK25x45.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x45x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-45-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2c2127f4-7c04-402c-b071-266540ae60f1.jpg?v=1781242534 Filter King 25x45x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 45 x .75" Filter King 25x45x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 45 x .75" https://hvacdirectusa.com/products/filter-king-25x46-5x1-air-filter-4-pack-merv-8-actual-size-25-x-46-5-x-75-fk25x46-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2d201803-2dd2-43a5-a16a-537b0ed48af4.jpg?v=1781242533 Filter King 25x46.5x1 Air Filter 4-PACK MERV 8 Actual Size 25 x 46.5 x .75" - FK25x46.5x1A-M8 -4 Filter King 25x46.5x1 Air Filter 4-PACK MERV 8 Actual Size 25 x 46.5 x .75" - FK25x46.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x46x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-46-x-75-fk25x46x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_00faa12f-cbe1-40cd-9d7b-b32c70acb8e5.jpg?v=1781242533 Filter King 25x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 46 x .75" - FK25x46x1A-M8 -4 Filter King 25x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 46 x .75" - FK25x46x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x47-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-47-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_453ea235-a9e8-403e-82ce-d97295fefd1a.jpg?v=1781242532 Filter King 25x47.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 47.5 x .75" Filter King 25x47.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 47.5 x .75" https://hvacdirectusa.com/products/filter-king-25x47x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-47-x-75-fk25x47x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ce8b4956-510f-45ec-8c15-ae5535e9c831.jpg?v=1781242531 Filter King 25x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 47 x .75" - FK25x47x1A-M8 -4 Filter King 25x47x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 47 x .75" - FK25x47x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x48-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-48-5-x-75-fk25x48-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_307d8c60-34a8-4018-9449-615cb762c5c7.jpg?v=1781242530 Filter King 25x48.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 48.5 x .75" - FK25x48.5x1A-M8 -4 Filter King 25x48.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 48.5 x .75" - FK25x48.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x48x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-48-x-75-fk25x48x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_28f3a2cd-7416-4531-a775-6a4bf647f099.jpg?v=1781242529 Filter King 25x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 48 x .75" - FK25x48x1A-M8 -4 Filter King 25x48x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 48 x .75" - FK25x48x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x49-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-49-5-x-75-fk25x49-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_26a0197e-7589-4abf-ace4-abb263b043ed.jpg?v=1781242529 Filter King 25x49.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 49.5 x .75" - FK25x49.5x1A-M8 -4 Filter King 25x49.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 49.5 x .75" - FK25x49.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x49x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-49-x-75-fk25x49x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1904df71-6162-4e94-ad9c-ff30c110e0f6.jpg?v=1781242528 Filter King 25x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 49 x .75" - FK25x49x1A-M8 -4 Filter King 25x49x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 49 x .75" - FK25x49x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x4x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-4-x-75-fk25x4x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_18e6c21a-831f-489e-8917-16e83b18427e.jpg?v=1781242527 Filter King 25x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 4 x .75" - FK25x4x1A-M8 -4 Filter King 25x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 4 x .75" - FK25x4x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x5-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-5-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ce7fd728-b25d-4cc9-aecf-23c30ff9da7a.jpg?v=1781242526 Filter King 25x5.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 5.5 x .75" Filter King 25x5.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 5.5 x .75" https://hvacdirectusa.com/products/filter-king-25x50-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-50-5-x-75-fk25x50-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_502d64b1-d90a-4f9c-99f9-4a46e7961854.jpg?v=1781242526 Filter King 25x50.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 50.5 x .75" - FK25x50.5x1A-M8 -4 Filter King 25x50.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 50.5 x .75" - FK25x50.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x50x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-50-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_69710c68-a6fb-45d7-a42e-e11f3ebb97d6.jpg?v=1781242525 Filter King 25x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 50 x .75" Filter King 25x50x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 50 x .75" https://hvacdirectusa.com/products/filter-king-25x51-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-51-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e9a96535-3514-47e1-bc63-12e968209a22.jpg?v=1781242524 Filter King 25x51.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 51.5 x .75" Filter King 25x51.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 51.5 x .75" https://hvacdirectusa.com/products/filter-king-25x51x1-air-filter-4-pack-merv-8-actual-size-25-x-51-x-75-fk25x51x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f9a6d7dd-ea9b-4a8f-b31b-6d743856e9b7.jpg?v=1781242523 Filter King 25x51x1 Air Filter 4-PACK MERV 8 Actual Size 25 x 51 x .75" - FK25x51x1A-M8 -4 Filter King 25x51x1 Air Filter 4-PACK MERV 8 Actual Size 25 x 51 x .75" - FK25x51x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x52x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-52-x-75-fk25x52x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e5f28cd0-5eac-4a9a-abbd-7d2714167868.jpg?v=1781242522 Filter King 25x52x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 52 x .75" - FK25x52x1A-M8 - 4 Filter King 25x52x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 52 x .75" - FK25x52x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-25x53-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-53-5-x-75-fk25x53-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1f44c574-83dc-45e5-92bf-2877929e3362.jpg?v=1781242522 Filter King 25x53.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 53.5 x .75" - FK25x53.5x1A-M8 -4 Filter King 25x53.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 53.5 x .75" - FK25x53.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x53x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-53-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d302761f-ae65-4910-ab23-520f4a0d9914.jpg?v=1781242521 Filter King 25x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 53 x .75" Filter King 25x53x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 53 x .75" https://hvacdirectusa.com/products/filter-king-25x54x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-54-x-75-fk25x54x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7dbb32a5-82f3-462b-8056-cf08b1e2ac2f.jpg?v=1781242518 Filter King 25x54x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 54 x .75" - FK25x54x1A-M8-4 Filter King 25x54x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 54 x .75" - FK25x54x1A-M8-4 https://hvacdirectusa.com/products/filter-king-25x55-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-55-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2396c164-38df-4bc2-9d44-0502d0a34789.jpg?v=1781242517 Filter King 25x55.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 55.5 x .75 Filter King 25x55.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 55.5 x .75 https://hvacdirectusa.com/products/filter-king-25x55x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-55-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c8d3bfdc-7901-481c-a6d4-763fd0a27a0a.jpg?v=1781242516 Filter King 25x55x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 55 x .75" Filter King 25x55x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 55 x .75" https://hvacdirectusa.com/products/filter-king-25x56-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-56-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_e32e6dd0-bfb9-42f1-b867-9cb6108ea56c.jpg?v=1781242515 Filter King 25x56.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 56.5 x .75" Filter King 25x56.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 56.5 x .75" https://hvacdirectusa.com/products/filter-king-25x56x1-air-filter-4-pack-merv-8-actual-size-25-x-56-x-75-fk25x56x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_bde4ff4b-5cad-49ce-9ba1-7f131e6c1c6e.jpg?v=1781242515 Filter King 25x56x1 Air Filter 4-PACK MERV 8 Actual Size 25 x 56 x .75" - FK25x56x1A-M8 -4 Filter King 25x56x1 Air Filter 4-PACK MERV 8 Actual Size 25 x 56 x .75" - FK25x56x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x57-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-57-5-x-75-fk25x57-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2df45c23-6726-43ea-a9aa-60aabc062edb.jpg?v=1781242514 Filter King 25x57.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 57.5 x .75" - FK25x57.5x1A-M8 -4 Filter King 25x57.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 57.5 x .75" - FK25x57.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x57x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-57-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3058fbe7-2c57-435d-a945-310425cd4920.jpg?v=1781242513 Filter King 25x57x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 57 x .75" Filter King 25x57x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 57 x .75" https://hvacdirectusa.com/products/filter-king-25x58-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-58-5-x-75-fk25x58-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_588adb73-ac95-47c6-93ff-badacb12a4db.jpg?v=1781242512 Filter King 25x58.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 58.5 x .75" - FK25x58.5x1A-M8 -4 Filter King 25x58.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 58.5 x .75" - FK25x58.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x58x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-58-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8c7d2f04-7604-4a1f-b58d-e82b37d3fb8b.jpg?v=1781242511 Filter King 25x58x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 58 x .75" Filter King 25x58x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 58 x .75" https://hvacdirectusa.com/products/filter-king-25x59-5x1-air-filter-4-pack-merv-8-actual-size-25-x-59-5-x-75-fk25x59-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_008e517d-15ac-45e4-adc7-61f683f48171.jpg?v=1781242511 Filter King 25x59.5x1 Air Filter 4-PACK MERV 8 Actual Size 25 x 59.5 x .75" - FK25x59.5x1A-M8 - 4 Filter King 25x59.5x1 Air Filter 4-PACK MERV 8 Actual Size 25 x 59.5 x .75" - FK25x59.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-25x59x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-59-x-75-fk25x59x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1bbde161-d7d0-421b-87ff-a706cd223e24.jpg?v=1781242510 Filter King 25x59x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 59 x .75" - FK25x59x1A-M8 -4 Filter King 25x59x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 59 x .75" - FK25x59x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-5-x-75-fk25x5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_46c8d032-0011-4716-a8c2-3307576cc293.jpg?v=1781242509 Filter King 25x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 5 x .75" - FK25x5x1A-M8 -4 Filter King 25x5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 5 x .75" - FK25x5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x6-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-6-5-x-75-fk25x6-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b784324e-e142-4503-88ae-3336ac1a3460.jpg?v=1781242508 Filter King 25x6.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 6.5 x .75" - FK25x6.5x1A-M8 -4 Filter King 25x6.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 6.5 x .75" - FK25x6.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x60-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-60-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_3a93e497-a908-4db2-935e-a3a411a5aacc.jpg?v=1781242508 Filter King 25x60.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 60.5 x .75" Filter King 25x60.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 60.5 x .75" https://hvacdirectusa.com/products/filter-king-25x60x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-60-x-75-fk25x60x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_ceb060b8-ae77-424f-9fed-1a41055a45bf.jpg?v=1781242507 Filter King 25x60x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 60 x .75" - FK25x60x1A-M8 -4 Filter King 25x60x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 60 x .75" - FK25x60x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x61-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-61-5-x-75-fk25x61-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_8c04359a-d659-43bc-903c-54f3a8ad904c.jpg?v=1781242506 Filter King 25x61.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 61.5 x .75" - FK25x61.5x1A-M8 -4 Filter King 25x61.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 61.5 x .75" - FK25x61.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x61x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-61-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f6c8d0c4-7833-45cc-84b0-4cc2c445d57f.jpg?v=1781242505 Filter King 25x61x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 61 x .75" Filter King 25x61x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 61 x .75" https://hvacdirectusa.com/products/filter-king-25x62-5x1-air-filter-4-pack-merv-8-actual-size-25-x-62-5-x-75-fk25x62-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2e763faf-f4fa-4995-bc9d-fc9b8da63d03.jpg?v=1781242505 Filter King 25x62.5x1 Air Filter 4-PACK MERV 8 Actual Size 25 x 62.5 x .75" - FK25x62.5x1A-M8 -4 Filter King 25x62.5x1 Air Filter 4-PACK MERV 8 Actual Size 25 x 62.5 x .75" - FK25x62.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x63x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-63-x-75-fk25x63x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_fcb930ae-df78-4b5a-ba7f-309e9c7870c9.jpg?v=1781242504 Filter King 25x63x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 63 x .75" - FK25x63x1A-M8 -4 Filter King 25x63x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 63 x .75" - FK25x63x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x64-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-64-5-x-75-fk25x64-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a2316af1-a85a-48d2-a0a9-20349a285034.jpg?v=1781242503 Filter King 25x64.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 64.5 x .75" - FK25x64.5x1A-M8 - 4 Filter King 25x64.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 64.5 x .75" - FK25x64.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-25x64x1-air-filter-4-pack-merv-8-actual-size-25-x-64-x-75-fk25x64x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7b0c9651-bb6f-4220-95de-2f54cf9e31be.jpg?v=1781242502 Filter King 25x64x1 Air Filter 4-PACK MERV 8 Actual Size 25 x 64 x .75" - FK25x64x1A-M8 -4 Filter King 25x64x1 Air Filter 4-PACK MERV 8 Actual Size 25 x 64 x .75" - FK25x64x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x65-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-65-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_1ad78185-7ec9-43df-830b-cdca65bc5a8b.jpg?v=1781242501 Filter King 25x65.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 65.5 x .75" Filter King 25x65.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 65.5 x .75" https://hvacdirectusa.com/products/filter-king-25x65x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-65-x-75-fk25x65x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_593f3afd-d37d-45ba-a0e7-fe008fce29df.jpg?v=1781242501 Filter King 25x65x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 65 x .75" - FK25x65x1A-M8 -4 Filter King 25x65x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 65 x .75" - FK25x65x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x66-5x1-air-filter-4-pack-merv-8-actual-size-25-x-66-5-x-75-fk25x66-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f524caf3-eacf-4442-8055-46938e024971.jpg?v=1781242500 Filter King 25x66.5x1 Air Filter 4-PACK MERV 8 Actual Size 25 x 66.5 x .75" - FK25x66.5x1A-M8 - 4 Filter King 25x66.5x1 Air Filter 4-PACK MERV 8 Actual Size 25 x 66.5 x .75" - FK25x66.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-25x66x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-66-x-75-fk25x66x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5407b61d-7b60-4477-9a49-26908bf8969a.jpg?v=1781242499 Filter King 25x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 66 x .75" - FK25x66x1A-M8-4 Filter King 25x66x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 66 x .75" - FK25x66x1A-M8-4 https://hvacdirectusa.com/products/filter-king-25x6x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-6-x-75-fk25x6x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_d3b1245c-4e6e-45b8-9616-497f4d93a61e.jpg?v=1781242498 Filter King 25x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 6 x .75" - FK25x6x1A-M8 -4 Filter King 25x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 6 x .75" - FK25x6x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x7-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-7-5-x-75-fk25x7-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c7977410-8266-4eba-9283-e79f76f553b5.jpg?v=1781242498 Filter King 25x7.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 7.5 x .75" - FK25x7.5x1A-M8 -4 Filter King 25x7.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 7.5 x .75" - FK25x7.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x7x1-air-filter-4-pack-merv-8-actual-size-25-x-7-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_082bfd8c-e01e-435f-9f0d-dcdc87821e60.jpg?v=1781242497 Filter King 25x7x1 Air Filter 4-PACK MERV 8 Actual Size 25 x 7 x .75" Filter King 25x7x1 Air Filter 4-PACK MERV 8 Actual Size 25 x 7 x .75" https://hvacdirectusa.com/products/filter-king-25x8-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-8-5-x-75-fk25x8-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7f366847-1f15-4b58-8d15-921d72a0c0ca.jpg?v=1781242496 Filter King 25x8.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 8.5 x .75" - FK25x8.5x1A-M8 -4 Filter King 25x8.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 8.5 x .75" - FK25x8.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-25x8x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-8-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4bc7b46a-4558-467a-8b06-e4c132db55c8.jpg?v=1781242495 Filter King 25x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 8 x .75" Filter King 25x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 8 x .75" https://hvacdirectusa.com/products/filter-king-25x9-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-9-5-x-75-fk25x9-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_c755e613-a69a-4731-9833-02c8b9839291.jpg?v=1781242495 Filter King 25x9.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 9.5 x .75" - FK25x9.5x1A-M8 - 4 Filter King 25x9.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 9.5 x .75" - FK25x9.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-25x9x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-25-x-9-x-75-fk25x9x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4853364d-af61-48dd-9bf0-76a31025904e.jpg?v=1781242494 Filter King 25x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 9 x .75" - FK25x9x1A-M8 -4 Filter King 25x9x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 25 x 9 x .75" - FK25x9x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-26-5x10-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-10-5-x-75-fk26-5x10-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9c876909-7451-42c6-bb2d-5ab794599cc8.jpg?v=1781242493 Filter King 26.5x10.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 10.5 x .75" - FK26.5x10.5x1A-M8 -4 Filter King 26.5x10.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 10.5 x .75" - FK26.5x10.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-26-5x11-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-11-5-x-75-fk26-5x11-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_6bbfac0f-687d-4ba0-bd16-4a67f3e0de58.jpg?v=1781242492 Filter King 26.5x11.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 11.5 x .75" - FK26.5x11.5x1A-M8 -4 Filter King 26.5x11.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 11.5 x .75" - FK26.5x11.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-26-5x12-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-12-5-x-75-fk26-5x12-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_09043f5f-6d33-4d34-a8ff-2360ebc2ee4a.jpg?v=1781242491 Filter King 26.5x12.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 12.5 x .75" - FK26.5x12.5x1A-M8 -4 Filter King 26.5x12.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 12.5 x .75" - FK26.5x12.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-26-5x12x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-12-x-75-fk26-5x12x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_785e9ee0-ff62-48a3-ac4c-5a6ab911f39c.jpg?v=1781242491 Filter King 26.5x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 12 x .75" - FK26.5x12x1A-M8 - 4 Filter King 26.5x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 12 x .75" - FK26.5x12x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-26-5x13-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-13-5-x-75-fk26-5x13-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_29a6ca48-8526-4df6-a854-a37596f6b331.jpg?v=1781242490 Filter King 26.5x13.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 13.5 x .75" - FK26.5x13.5x1A-M8 -4 Filter King 26.5x13.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 13.5 x .75" - FK26.5x13.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-26-5x13x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-13-x-75-fk26-5x13x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_445170d4-25ea-456e-9acb-47d5e55bb1f8.jpg?v=1781242489 Filter King 26.5x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 13 x .75" - FK26.5x13x1A-M8 -4 Filter King 26.5x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 13 x .75" - FK26.5x13x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-26-5x14-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-14-5-x-75-fk26-5x14-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2814ba59-56d5-4f32-9319-196a0c8d5977.jpg?v=1781242488 Filter King 26.5x14.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 14.5 x .75" - FK26.5x14.5x1A-M8 -4 Filter King 26.5x14.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 14.5 x .75" - FK26.5x14.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-26-5x14x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-14-x-75-fk26-5x14x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_f967e3ef-52ba-424a-9ecf-8ea755bbbac3.jpg?v=1781242488 Filter King 26.5x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 14 x .75" - FK26.5x14x1A-M8 -4 Filter King 26.5x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 14 x .75" - FK26.5x14x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-26-5x15-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-15-5-x-75-fk26-5x15-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9e277e13-3b2a-41e2-858d-0f2fb2aee7c6.jpg?v=1781242487 Filter King 26.5x15.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 15.5 x .75" - FK26.5x15.5x1A-M8 - 4 Filter King 26.5x15.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 15.5 x .75" - FK26.5x15.5x1A-M8 - 4 https://hvacdirectusa.com/products/filter-king-26-5x15x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-15-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_18a69665-9a31-44ba-88a9-a1e186cd908c.jpg?v=1781242486 Filter King 26.5x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 15 x .75" Filter King 26.5x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 15 x .75" https://hvacdirectusa.com/products/filter-king-26-5x16-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-16-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_9642898c-6548-4ed9-8cc2-1d14bc5f3d75.jpg?v=1781242485 Filter King 26.5x16.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 16.5 x .75" Filter King 26.5x16.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 16.5 x .75" https://hvacdirectusa.com/products/filter-king-26-5x16x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-16-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_696cd4fd-60ac-4496-8a54-b8666dade6c9.jpg?v=1781242484 Filter King 26.5x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 16 x .75" Filter King 26.5x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 16 x .75" https://hvacdirectusa.com/products/filter-king-26-5x17-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-17-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_a61530e3-5b24-4b18-9fcf-123180028988.jpg?v=1781242484 Filter King 26.5x17.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 17.5 x .75" Filter King 26.5x17.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 17.5 x .75" https://hvacdirectusa.com/products/filter-king-26-5x17x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-17-x-75-fk26-5x17x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_bdab79b6-3e29-4889-b780-e482c3bd777a.jpg?v=1781242483 Filter King 26.5x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 17 x .75" - FK26.5x17x1A-M8 -4 Filter King 26.5x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 17 x .75" - FK26.5x17x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-26-5x18-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-18-5-x-75-fk26-5x18-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_b862dd57-f1c2-475a-a905-ba56e45233d1.jpg?v=1781242482 Filter King 26.5x18.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 18.5 x .75" - FK26.5x18.5x1A-M8 -4 Filter King 26.5x18.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 18.5 x .75" - FK26.5x18.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-26-5x19-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-19-5-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_5affbf52-f589-4d39-b936-3d7929965ae2.jpg?v=1781242481 Filter King 26.5x19.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 19.5 x .75" Filter King 26.5x19.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 19.5 x .75" https://hvacdirectusa.com/products/filter-king-26-5x19x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-19-x-75-fk26-5x19x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_85b80f51-95f0-47b9-836e-53a18ed71d27.jpg?v=1781242480 Filter King 26.5x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 19 x .75" - FK26.5x19x1A-M8 -4 Filter King 26.5x19x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 19 x .75" - FK26.5x19x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-26-5x20-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-20-5-x-75-fk26-5x20-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_7774f13e-b447-49f8-a56b-40b319f1b7c1.jpg?v=1781242480 Filter King 26.5x20.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 20.5 x .75" - FK26.5x20.5x1A-M8 -4 Filter King 26.5x20.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 20.5 x .75" - FK26.5x20.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-26-5x21-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-21-5-x-75-fk26-5x21-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_4d62c6fe-854d-4851-a5b2-4a434dd53fb8.jpg?v=1781242479 Filter King 26.5x21.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 21.5 x .75" - FK26.5x21.5x1A-M8 -4 Filter King 26.5x21.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 21.5 x .75" - FK26.5x21.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-26-5x21x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-21-x-75 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_22dcf760-0ed5-4dc5-99c5-19d7bbb5a2aa.jpg?v=1781242478 Filter King 26.5x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 21 x .75" Filter King 26.5x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 21 x .75" https://hvacdirectusa.com/products/filter-king-26-5x22-5x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-22-5-x-75-fk26-5x22-5x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_2518e913-7321-42d3-9af7-828b7ca17113.jpg?v=1781242477 Filter King 26.5x22.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 22.5 x .75" - FK26.5x22.5x1A-M8 -4 Filter King 26.5x22.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 22.5 x .75" - FK26.5x22.5x1A-M8 -4 https://hvacdirectusa.com/products/filter-king-26-5x22x1-air-filter-4-pack-merv-8-hvac-pleated-a-c-furnace-filters-made-in-usa-actual-size-26-5-x-22-x-75-fk26-5x22x1a-m8-4 2026-07-21T15:30:41-04:00 daily https://cdn.shopify.com/s/files/1/0750/5500/5890/files/51UGq-y0NxL_48ed6813-f561-4b1c-91fb-09ff09a235ac.jpg?v=1781242477 Filter King 26.5x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 22 x .75" - FK26.5x22x1A-M8 -4 Filter King 26.5x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 26.5 x 22 x .75" - FK26.5x22x1A-M8 -4