Description
Actual Dimensions: 20.1 x 21.1 x 5. Accumulair brand: 21x21.5x5 American Standard BAYFTAH21M replacement whole house air filters, specifically designed to replace the original brand American Standard BAYFTAH21M filters. Fully assembled - no assembly or combs required. MERV classified to ASHRAE ratings assuring particulate capture to the level of the original manufacturer American Standard BAYFTAH21M air filter. Photo: Example air filter image shown is not the actual dimensions and is there to show construction only. Trade names and American Standard BAYFTAH21M part numbers are used for air filter replacement identification purposes only.