Description
Actual Dimensions: 20 x 23.13 x .75. Accumulair brand 21x23.5x1 American Standard TFE235A9AH20 compatible whole house air filters, exactly constructed to be an alternative to the name brand American Standard TFE235A9AH20 air filters. Fully box-formed - no forming or combs required. MERV classified to ASHRAE 52.2 test classifications assuring operation equal to the OEM American Standard TFE235A9AH20 air filter. Photo: The example filter pic as displayed is not true to size and is there to show design only. OEM names and American Standard TFE235A9AH20 identifier used for filter substitution identification.