The KOCH FILTER CORP 20x25x4 air filter is engineered for superior air quality in HVAC systems. With a MERV rating, it effectively traps dust, allergens, and other particulates, ensuring cleaner air in your environment. This filter measures 20 inches by 25 inches and has a depth of 4 inches, fitting most standard air handlers. Perfect for both residential and commercial use, it enhances indoor air quality while extending the lifespan of your HVAC system.
