Description
Actual size is 20 x 21.13 x .75. Accumulair brand: 21x21.5x1 American Standard BAYFTFR21W1A style whole house filters, specifically engineered to be an alternative to the name brand American Standard BAYFTFR21W1A filters. Completely constructed - no assembly or combs required. MERV classified to ASHRAE 52.2 test classifications ensuring particle capture as good or better than the name brand American Standard BAYFTFR21W1A air filters. Photo: Sample air filter pic displayed is not the actual dimensions and is displayed for construction purposes. Name brands and American Standard BAYFTFR21W1A part numbers are used for filter replacement identification use.