Description
Actual Dimensions: 20 x 21.13 x .75. Brand: Accumulair. 21x21.5x1 American Standard BAYFTFR21W1A substitute whole house filters, exactly constructed to substitute for the OEM American Standard BAYFTFR21W1A air filters. Fully constructed with no assembly or combs needed. MERV classified to ASHRAE 52.2 test grades ensuring particulate capture to the level of the original brand American Standard BAYFTFR21W1A air filter. Note: Sample air filter picture as shown is not to scale and is there to show construction only. Trade names and American Standard BAYFTFR21W1A identifier shown for air filter style purposes.