Description
Actual Dimensions: 20.63 x 26.25 x .75. Accumulair brand, 21x27x1 Trane BAYFTFR21W1A style whole house filters, specifically constructed to substitute for the original manufacturer Trane BAYFTFR21W1A air filters. Fully box-formed with no assembly or combs needed. MERV graded to ASHRAE 52.2 test specs assuring function to the level of the OEM Trane BAYFTFR21W1A filter. Photo: Sample filter picture as shown is not the actual dimensions and is there to show configuration only. OEM names and Trane BAYFTFR21W1A identifier are shown for filter style identification only.