Description
Actual dimensions are 20 x 23.13 x .75. Accumulair brand, 21x23.5x1 American Standard TFE235A1AH00 replacement whole house air filters, exactly built to substitute for the OEM American Standard TFE235A1AH00 filters. Fully assembled - no forming or combs required. MERV graded to ASHRAE 52.2 test grades establishing function equal to the OEM American Standard TFE235A1AH00 filter. Notice: The sample air filter image as shown is not to scale and is there to show configuration purposes. Name brands and American Standard TFE235A1AH00 P/N are listed for filter style identification purposes only.