Actual Dimensions: 20 x 21.13 x .75. Accumulair brand: 21x21.5x1 Trane TFE215A1AH20 compatible whole house air filters, specifically built to replace the original manufacturer Trane TFE215A1AH20 filters. Completely built - no assembly or combs required. MERV graded to ASHRAE 52.2 test grades establishing particulate capture as good or better than the original brand Trane TFE215A1AH20 air filters. Photo: Sample filter image shown is not true to size and is displayed for configuration purposes only. OEM names and Trane TFE215A1AH20 part numbers are listed for filter replacement identification.
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