Description
Actual Size: 20.1 x 21.1 x 5. Accumulair brand, 21x21.5x5 American Standard BAYFTAH21M style whole house filters, specifically engineered to substitute for the OEM American Standard BAYFTAH21M filters. Fully assembled - no assembly or combs needed. MERV classified to ASHRAE classifications establishing operation to the level of the name brand American Standard BAYFTAH21M filter. Note: The sample filter picture as displayed is not to scale and is there to show design purposes. OEM names and American Standard BAYFTAH21M P/N are shown for air filter replacement purposes.