Description
Actual size is 20.1 x 21.1 x 5. Accumulair brand: 21x21.5x5 Trane BAYFTAH21M substitute whole house air filters, specifically engineered to substitute for the original manufacturer Trane BAYFTAH21M filters. Completely assembled - no forming or combs needed. MERV graded to ASHRAE classifications ensuring particle capture equal to the name brand Trane BAYFTAH21M air filters. Photo: Sample air filter image as displayed is not the actual dimensions and is shown for construction purposes only. Company names and Trane BAYFTAH21M identifier are shown for air filter replacement identification purposes only.