Description
Actual dimensions are 20 x 23.13 x .75. Accumulair brand: 21x23.5x1 American Standard TFE235A9AH00 compatible whole house filters, specifically constructed to replace the OEM American Standard TFE235A9AH00 filters. Completely constructed with no forming or combs required. MERV classified to ASHRAE 52.2 test classifications establishing operation to the level of the original brand American Standard TFE235A9AH00 air filters. Notice: Sample air filter picture as displayed is not to scale and is there to show construction only. OEM names and American Standard TFE235A9AH00 P/N included for filter replacement identification.