Description
Actual dimensions are 20 x 23.13 x .75. Accumulair brand 21x23.5x1 Trane TFP235A0AH11 style whole house filters, exactly designed to be an alternative to the name brand Trane TFP235A0AH11 air filters. Completely constructed - no assembly or combs required. MERV classified to ASHRAE 52.2 test specs ensuring particle filtration as good or better than the original manufacturer Trane TFP235A0AH11 air filter. Photo: Sample air filter picture as shown is not to scale and is included to show construction only. Brand names and Trane TFP235A0AH11 part numbers shown for filter substitution identification only.