Description
Actual Size: 20 x 21.13 x .75. Accumulair brand, 21x21.5x1 Trane BAYFTAH21W1A compatible whole house air filters, specifically built to replace the original brand Trane BAYFTAH21W1A air filters. Fully built with no forming or combs needed. MERV classified to ASHRAE standards establishing particulate capture equal to the original brand Trane BAYFTAH21W1A air filters. Photo: Example air filter picture displayed is not to scale and is displayed for construction purposes. OEM names and Trane BAYFTAH21W1A identifier displayed for filter style identification use.