Actual dimensions are 20.1 x 25.7 x 5. Brand: Accumulair. 21x26x5 Trane TFM260A0AH10 style whole house air filters, exactly engineered to replace name brand Trane TFM260A0AH10 air filters. Completely assembled with no assembly or combs needed. MERV graded to ASHRAE 52.2 test grades assuring filtration to the level of the original manufacturer Trane TFM260A0AH10 air filter. Photo: The sample filter picture displayed is not to scale and is included to show configuration purposes. Company names and Trane TFM260A0AH10 P/N are included for filter replacement identification use.
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