Description
Actual Size: 20.63 x 26.25 x .75. Accumulair brand, 21x27x1 Trane BAYFTFR21W1A replacement whole house air filters, specifically built to replace the original brand Trane BAYFTFR21W1A air filters. Completely built - no assembly or combs needed. MERV rated to ASHRAE specifications assuring particle capture as good or better than the name brand Trane BAYFTFR21W1A filters. Note: The example air filter image displayed is not to scale and is there to show design purposes. Brand names and Trane BAYFTFR21W1A P/N are used for filter style identification purposes.