Actual Dimensions: 20.1 x 21.1 x 5. Accumulair brand: 21x21.5x5 Trane TFM215B0AH01 substitute whole house filters, exactly built to substitute for the original brand Trane TFM215B0AH01 filters. Completely box-formed - no forming or combs required. MERV rated to ASHRAE 52.2 test classifications assuring particle capture equal to the original brand Trane TFM215B0AH01 air filter. Notice: The sample air filter image as displayed is not the actual dimensions and is displayed for construction only. Brand names and Trane TFM215B0AH01 P/N used for air filter style identification only.
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