Description
Actual size is 20 x 23.13 x .75. Accumulair brand: 21x23.5x1 Trane TFE235A1AH30 compatible whole house air filters, specifically built to replace original manufacturer Trane TFE235A1AH30 air filters. Completely box-formed so no assembly or combs required. MERV classified to ASHRAE 52.2 test ratings establishing performance equal to the OEM Trane TFE235A1AH30 filters. Notice: The example air filter image as shown is not to scale and is displayed for design only. OEM names and Trane TFE235A1AH30 part numbers displayed for filter substitution identification only.