Description
Actual dimensions are 20.7 x 26.2 x 5. Accumulair brand, 21x27x5 Trane BAYFTFR21M compatible whole house filters, exactly engineered to be an alternative to the original manufacturer Trane BAYFTFR21M filters. Completely constructed - no assembly or combs required. MERV graded to ASHRAE standards ensuring particulate filtration as good or better than the OEM Trane BAYFTFR21M filters. Note: Sample air filter image as shown is not true to size and is there to show construction purposes. Trade names and Trane BAYFTFR21M part numbers are included for filter replacement identification only.