Description
Actual size is 20.63 x 26.25 x .75. Brand: Accumulair. 21x27x1 American Standard BAYFTFR21W1A replacement whole house air filters, specifically designed to replace the OEM American Standard BAYFTFR21W1A air filters. Fully constructed so no assembly or combs needed. MERV rated to ASHRAE 52.2 test specifications establishing particulate filtration as good or better than the name brand American Standard BAYFTFR21W1A filters. Note: The sample air filter picture displayed is not to scale and is displayed for design purposes only. Brand names and American Standard BAYFTFR21W1A identifier are used for air filter substitution identification only.