Description
Actual size is 20.7 x 26.2 x 5. Accumulair brand 21x27x5 Trane BAYFTFR21M substitute whole house air filters, specifically constructed to substitute for the original manufacturer Trane BAYFTFR21M air filters. Completely built so no assembly or combs required. MERV rated to ASHRAE specifications establishing particulate capture as good or better than the name brand Trane BAYFTFR21M filters. Notice: Sample filter picture shown is not true to size and is shown for style only. Company names and Trane BAYFTFR21M P/N used for filter replacement purposes.