Actual size is 20 x 21.13 x .75. Brand: Accumulair. 21x21.5x1 Trane TFP215A0AH10 substitute whole house air filters, exactly constructed to be an alternative to the original brand Trane TFP215A0AH10 air filters. Completely box-formed with no forming or combs required. MERV classified to ASHRAE 52.2 test ratings assuring particulate filtration equal to the original brand Trane TFP215A0AH10 air filter. Photo: Sample filter picture as displayed is not the actual dimensions and is included to show construction only. Company names and Trane TFP215A0AH10 part numbers included for air filter style purposes only.
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