Actual Dimensions: 20 x 21.13 x .75. Brand: Accumulair. 21x21.5x1 American Standard TFP210A0FR11 substitute whole house air filters, specifically engineered to substitute for the OEM American Standard TFP210A0FR11 air filters. Completely box-formed - no forming or combs needed. MERV graded to ASHRAE specs ensuring function as good or better than the original manufacturer American Standard TFP210A0FR11 air filter. Photo: The example filter picture displayed is not to scale and is shown for design only. Name brands and American Standard TFP210A0FR11 P/N displayed for filter replacement identification purposes.
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