Actual dimensions are 20.7 x 26.2 x 5. Accumulair brand 21x27x5 American Standard TFM210B0FR01 substitute whole house filters, exactly designed to replace original manufacturer American Standard TFM210B0FR01 filters. Fully built with no assembly or combs needed. MERV graded to ASHRAE 52.2 test grades establishing particulate filtration to the level of the OEM American Standard TFM210B0FR01 filters. Notice: Sample filter image as shown is not true to size and is shown for construction purposes only. OEM names and American Standard TFM210B0FR01 identifier are used for filter style identification purposes.
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