Actual size is 20.1 x 23.2 x 5. Brand: Accumulair. 21x23.5x5 American Standard TFM235A0AH10 compatible whole house filters, exactly constructed to replace original manufacturer American Standard TFM235A0AH10 air filters. Fully constructed so no forming or combs required. MERV classified to ASHRAE grades establishing function to the level of the original manufacturer American Standard TFM235A0AH10 air filter. Note: The sample filter image as displayed is not to scale and is displayed for design purposes. Brand names and American Standard TFM235A0AH10 identifier are listed for filter style purposes.
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