Actual Dimensions: 20 x 25.63 x .75. Accumulair brand, 21x26x1 American Standard TFE260A1AH30 style whole house filters, exactly designed to be an alternative to the OEM American Standard TFE260A1AH30 air filters. Fully built so no assembly or combs needed. MERV rated to ASHRAE 52.2 test specifications assuring performance equal to the original brand American Standard TFE260A1AH30 filter. Note: The example air filter picture shown is not true to size and is there to show style purposes only. Company names and American Standard TFE260A1AH30 P/N used for air filter style identification purposes.
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