Description
Actual Size: 20.63 x 26.25 x .75. Accumulair brand: 21x27x1 American Standard TFE210A9FR20 style whole house filters, exactly engineered to be an alternative to the name brand American Standard TFE210A9FR20 filters. Completely constructed - no forming or combs required. MERV rated to ASHRAE 52.2 test specifications assuring particle filtration equal to the OEM American Standard TFE210A9FR20 filters. Notice: The example air filter picture as displayed is not to scale and is shown for design only. Company names and American Standard TFE210A9FR20 P/N shown for air filter style identification only.