Description
Actual size is 20 x 21.13 x .75. Accumulair brand: 21x21.5x1 Trane BAYFTAH21W1A substitute whole house air filters, exactly constructed to replace the name brand Trane BAYFTAH21W1A filters. Fully constructed so no assembly or combs needed. MERV rated to ASHRAE 52.2 test specifications assuring particle filtration to the level of the name brand Trane BAYFTAH21W1A filter. Notice: Example air filter pic as displayed is not true to size and is there to show configuration only. OEM names and Trane BAYFTAH21W1A identifier displayed for air filter replacement identification.