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: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 21″ x 33″ x 1″ – Actual Size: 21″ x 33″ x .75″
• MADE IN USA: Fully manufactured in the United States. Made from the highest quality materials and construction. (EPA Establishment Number: 103501-FL-1)
• MAX PERFORMANCE: Our filters can last up to 90 DAYS before needing replacement. We do recommend to change your home air filter every 30 – 90 days for 1 inch filters. This will help maintain the longevity of the intended application like A/C and heaters
• CAPTURE MORE: Protect your home! The pleated design captures more particles and extends lifetime of the filter. Merv Filters trap airborne particles without impacting air flow. Feel the difference in 48 hours.
• FAST & EASY INSTALLATION: Open, Slide and Close! A simple yet effective replacement air filter for your home.

Shipping Information - Freight shipping available across the USA. Tracking details provided after dispatch.

Warranty Support - Manufacturer warranty support available on eligible products.

Compatibility Help - Need help choosing the right system? Contact our support team for sizing and compatibility assistance.