Description
Actual size is 20.7 x 26.2 x 5. Accumulair brand 21x27x5 American Standard BAYFRAME21A compatible whole house filters, exactly engineered to substitute for the original manufacturer American Standard BAYFRAME21A filters. Fully constructed with no forming or combs required. MERV rated to ASHRAE standards assuring particle capture to the level of the OEM American Standard BAYFRAME21A air filters. Note: The example filter pic displayed is not the actual dimensions and is displayed for construction only. OEM names and American Standard BAYFRAME21A P/N displayed for air filter replacement purposes.