Description
Actual Dimensions: 20.7 x 26.2 x 5. Accumulair brand 21x27x5 Trane BAYFRAME21A substitute whole house air filters, exactly engineered to be an alternative to the original manufacturer Trane BAYFRAME21A filters. Completely built - no forming or combs required. MERV rated to ASHRAE 52.2 test standards assuring particle capture equal to the original brand Trane BAYFRAME21A filters. Note: Example air filter picture displayed is not true to size and is displayed for construction purposes. Trade names and Trane BAYFRAME21A identifier included for air filter substitution identification only.