Description
Actual dimensions are 20.7 x 26.2 x 5. Accumulair brand 21x27x5 American Standard BAYFTFR21M replacement whole house air filters, exactly designed to substitute for the original manufacturer American Standard BAYFTFR21M air filters. Completely constructed with no forming or combs required. MERV classified to ASHRAE 52.2 test specs assuring performance to the level of the original brand American Standard BAYFTFR21M filter. Photo: The sample air filter image shown is not the actual dimensions and is shown for design purposes. Name brands and American Standard BAYFTFR21M part numbers included for filter style identification use.