Tier1 Pleated Air Filter - 20x25x4 - 8 - Captures Dust & Pollen in Air Conditioner/Furnace - Improved Air Quality - 6 Pack

Filter Specifications: 20" x 25" x 4" Made in the 8 replacement air filter (comparable with 600 & 5); Actual Size: 19-1/2" x 24-1/2" x 3-5/8" Standard Compatibility: This air filter works with systems that take 4" filters. Measure your air filter and compare it to our "Actual Size" to ensure proper fit. It is comparable to the 3M Filtrete 600 Clean Living, Honeywell 5 Micro Defense, Aerostar 8 Clean, and Filterbuy 8 Silver series of filters. Effective Filtration: Low pressure drop electrostatically charged 8 filter media traps unwanted microscopic air particles such as lint, dust mites, pollen, and pet dander. High-Quality Construction: Features 100% synthetic thermally bonded fibers with no chemical binders continuously bonded to a galvanized metal support grid and supported by a high wet strength moisture resistant beverage board frame. Easy to Replace: Installing or replacing Tier1 air filters is quick and easy. Simply remove your old filter from the return to your furnace, and slide in the new filter. It's recommended to change your filters every 90 days to maintain optimal filtration.