Description
Actual size is 20 x 23.13 x .75. Accumulair brand, 21x23.5x1 American Standard TFP235A0AH11 style whole house air filters, exactly designed to be an alternative to the original manufacturer American Standard TFP235A0AH11 air filters. Fully assembled with no assembly or combs required. MERV graded to ASHRAE 52.2 test specifications ensuring function to the level of the original manufacturer American Standard TFP235A0AH11 filters. Photo: Example filter picture displayed is not the actual dimensions and is shown for construction only. OEM names and American Standard TFP235A0AH11 P/N are listed for filter substitution purposes only.