Actual Size: 20 x 23.13 x .75. Accumulair brand: 21x23.5x1 American Standard TFE235A9AH10 replacement whole house filters, specifically engineered to replace the name brand American Standard TFE235A9AH10 filters. Completely constructed - no forming or combs required. MERV graded to ASHRAE specs assuring function equal to the original manufacturer American Standard TFE235A9AH10 air filter. Note: The sample air filter pic displayed is not true to size and is there to show design only. Trade names and American Standard TFE235A9AH10 part numbers shown for air filter replacement identification only.
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