Actual Size: 20 x 23.13 x .75. Brand: Accumulair. 21x23.5x1 Trane TFE235A9AH00 style whole house air filters, exactly designed to substitute for the original manufacturer Trane TFE235A9AH00 air filters. Fully box-formed - no forming or combs needed. MERV graded to ASHRAE 52.2 test classifications assuring particle capture as good or better than the OEM Trane TFE235A9AH00 air filter. Note: Sample air filter image shown is not the actual dimensions and is shown for style only. Name brands and Trane TFE235A9AH00 part numbers displayed for air filter replacement identification use.
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