Description
Actual size is 20.1 x 25.7 x 5. Accumulair brand 21x26x5 American Standard TFM260B0AH0A substitute whole house filters, exactly built to substitute for the OEM American Standard TFM260B0AH0A air filters. Completely box-formed so no assembly or combs needed. MERV classified to ASHRAE specifications ensuring particulate filtration as good or better than the original brand American Standard TFM260B0AH0A air filter. Notice: Sample air filter pic shown is not the actual dimensions and is there to show construction purposes. Company names and American Standard TFM260B0AH0A P/N are listed for air filter replacement identification purposes.