Description
Actual size is 20 x 23.13 x .75. Accumulair brand 21x23.5x1 American Standard TFE235A9AH00 substitute whole house filters, exactly constructed to replace original manufacturer American Standard TFE235A9AH00 air filters. Fully constructed - no assembly or combs needed. MERV classified to ASHRAE 52.2 test standards assuring particle capture equal to the name brand American Standard TFE235A9AH00 air filters. Note: Sample air filter image shown is not true to size and is there to show configuration only. Trade names and American Standard TFE235A9AH00 P/N are shown for filter style identification use.