Description
Actual size is 20.7 x 26.2 x 5. Accumulair brand, 21x27x5 American Standard BAYFTFR21M substitute whole house filters, specifically engineered to be an alternative to the OEM American Standard BAYFTFR21M filters. Fully box-formed with no forming or combs required. MERV rated to ASHRAE specifications establishing performance as good or better than the original manufacturer American Standard BAYFTFR21M filter. Photo: The example filter picture displayed is not true to size and is displayed for design purposes only. Name brands and American Standard BAYFTFR21M part numbers shown for air filter style identification purposes only.