Description
Actual dimensions are 20 x 23.13 x .75. Accumulair brand, 21x23.5x1 Trane TFE235A1AH30 substitute whole house air filters, specifically built to be an alternative to the name brand Trane TFE235A1AH30 filters. Fully box-formed with no assembly or combs needed. MERV classified to ASHRAE 52.2 test specs establishing operation to the level of the original brand Trane TFE235A1AH30 air filters. Note: The example air filter picture shown is not true to size and is included to show construction purposes. Company names and Trane TFE235A1AH30 P/N are shown for filter substitution identification only.