Description
Actual dimensions are 20.1 x 23.2 x 5. Accumulair brand, 21x23.5x5 Trane TFM235B0AH01 style whole house air filters, specifically built to be an alternative to the original brand Trane TFM235B0AH01 filters. Completely box-formed - no assembly or combs required. MERV rated to ASHRAE ratings establishing particle capture as good or better than the OEM Trane TFM235B0AH01 filters. Notice: The sample filter pic as shown is not to scale and is displayed for design only. OEM names and Trane TFM235B0AH01 part numbers included for air filter substitution purposes only.