Actual Dimensions: 20 x 23.13 x .75. Accumulair brand 21x23.5x1 Trane TFP235A0AH11 style whole house air filters, exactly constructed to be an alternative to the OEM Trane TFP235A0AH11 filters. Fully assembled so no forming or combs needed. MERV classified to ASHRAE specifications assuring operation 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 there to show style purposes only. Trade names and Trane TFP235A0AH11 part numbers are shown for air filter replacement identification use.
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