Description
Actual dimensions are 20.1 x 25.7 x 5. Accumulair brand, 21x26x5 American Standard BAYFTAH26M style whole house filters, specifically designed to replace original manufacturer American Standard BAYFTAH26M air filters. Fully constructed so no forming or combs required. MERV classified to ASHRAE 52.2 test classifications establishing filtration equal to the name brand American Standard BAYFTAH26M air filters. Note: The example filter picture displayed is not to scale and is there to show style only. Brand names and American Standard BAYFTAH26M P/N are included for air filter substitution identification purposes only.