Actual Dimensions: 20.1 x 25.7 x 5. Accumulair brand 21x26x5 American Standard TFM260A0AH00 substitute whole house air filters, specifically constructed to replace name brand American Standard TFM260A0AH00 air filters. Fully box-formed - no forming or combs needed. MERV rated to ASHRAE ratings assuring particulate capture to the level of the name brand American Standard TFM260A0AH00 filters. Photo: Sample filter pic displayed is not true to size and is there to show style only. Company names and American Standard TFM260A0AH00 P/N are shown for air filter substitution identification.
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