Actual Size: 20 x 25.63 x .75. Brand: Accumulair. 21x26x1 American Standard TFE260A1AH20 style whole house filters, specifically engineered to replace name brand American Standard TFE260A1AH20 air filters. Fully box-formed so no assembly or combs required. MERV classified to ASHRAE ratings ensuring particulate capture to the level of the name brand American Standard TFE260A1AH20 air filters. Notice: The example filter pic as shown is not the actual dimensions and is there to show design only. Company names and American Standard TFE260A1AH20 part numbers included for air filter style purposes.
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