Description
Actual Dimensions: 20 x 23.13 x .75. Brand: Accumulair. 21x23.5x1 American Standard TFE235A9AH20 replacement whole house filters, exactly constructed to replace the original brand American Standard TFE235A9AH20 air filters. Completely box-formed so no forming or combs required. MERV rated to ASHRAE 52.2 test specifications ensuring function as good or better than the original brand American Standard TFE235A9AH20 air filters. Photo: The example air filter pic displayed is not true to size and is included to show construction purposes. Company names and American Standard TFE235A9AH20 P/N are used for air filter replacement identification purposes.