Actual size is 17.13 x 26.25 x .75. Accumulair brand, 17.5x27x1 Trane TFE175A9FR20 style whole house filters, exactly designed to be an alternative to the name brand Trane TFE175A9FR20 filters. Completely assembled so no forming or combs required. MERV graded to ASHRAE grades assuring function to the level of the name brand Trane TFE175A9FR20 air filter. Notice: Sample air filter picture as displayed is not to scale and is there to show style only. Trade names and Trane TFE175A9FR20 P/N shown for filter substitution identification only.
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