Actual Dimensions: 20.63 x 26.25 x .75. Accumulair brand: 21x27x1 Trane TFP210A0FR11 style whole house air filters, specifically built to be an alternative to the original brand Trane TFP210A0FR11 air filters. Completely constructed - no forming or combs needed. MERV rated to ASHRAE 52.2 test grades ensuring particle filtration as good or better than the name brand Trane TFP210A0FR11 air filter. Photo: The sample filter pic as displayed is not the actual dimensions and is there to show design purposes. Company names and Trane TFP210A0FR11 P/N are shown for filter substitution identification use.
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