Description
Actual dimensions are 20.1 x 23.2 x 5. Brand: Accumulair. 21x23.5x5 American Standard TFM235B0AH01 compatible whole house air filters, specifically designed to substitute for the original brand American Standard TFM235B0AH01 air filters. Fully box-formed with no forming or combs required. MERV rated to ASHRAE 52.2 test standards ensuring operation equal to the name brand American Standard TFM235B0AH01 filter. Note: Example air filter image as shown is not true to size and is there to show construction only. Name brands and American Standard TFM235B0AH01 part numbers displayed for filter substitution identification only.