Actual Dimensions: 20 x 25.63 x .75. Brand: Accumulair. 21x26x1 Trane TFE260A1AH20 substitute whole house air filters, exactly engineered to replace OEM Trane TFE260A1AH20 filters. Fully box-formed with no assembly or combs required. MERV classified to ASHRAE 52.2 test specifications ensuring function equal to the OEM Trane TFE260A1AH20 air filters. Photo: The sample air filter picture displayed is not to scale and is included to show construction only. Company names and Trane TFE260A1AH20 P/N shown for filter style identification purposes.
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