Actual size is 20 x 23.13 x .75. Brand: Accumulair. 21x23.5x1 Trane TFP235A0AH10 substitute whole house filters, exactly constructed to replace the name brand Trane TFP235A0AH10 air filters. Completely box-formed with no assembly or combs needed. MERV graded to ASHRAE 52.2 test ratings establishing particle capture as good or better than the original manufacturer Trane TFP235A0AH10 air filter. Note: Sample filter picture as displayed is not to scale and is included to show construction only. Trade names and Trane TFP235A0AH10 P/N shown for air filter substitution identification.
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