Actual size is 20 x 25.63 x .75. Accumulair brand: 21x26x1 Trane TFE260A1AH10 style whole house air filters, exactly constructed to be an alternative to the original manufacturer Trane TFE260A1AH10 filters. Fully constructed so no assembly or combs required. MERV rated to ASHRAE 52.2 test specs ensuring particle capture equal to the name brand Trane TFE260A1AH10 filter. Note: Sample filter pic as shown is not to scale and is there to show design only. OEM names and Trane TFE260A1AH10 part numbers are shown for filter substitution identification use.
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