Actual size is 20 x 23.13 x .75. Accumulair brand 21x23.5x1 Trane TFE235A1AH30 style whole house filters, specifically engineered to replace the OEM Trane TFE235A1AH30 air filters. Fully assembled with no forming or combs required. MERV rated to ASHRAE 52.2 test specifications assuring performance equal to the OEM Trane TFE235A1AH30 air filter. Note: The sample filter image as shown is not to scale and is included to show style purposes only. Name brands and Trane TFE235A1AH30 P/N are shown for filter style identification.
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