Actual Dimensions: 20.1 x 23.2 x 5. Brand: Accumulair. 21x23.5x5 Trane TFM235A0AH00 replacement whole house filters, exactly engineered to be an alternative to the original manufacturer Trane TFM235A0AH00 air filters. Completely assembled so no assembly or combs required. MERV graded to ASHRAE classifications establishing filtration to the level of the original brand Trane TFM235A0AH00 filters. Note: Sample air filter pic as shown is not the actual dimensions and is included to show design only. Trade names and Trane TFM235A0AH00 part numbers shown for air filter replacement purposes.
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