Actual size is 20.1 x 21.1 x 5. Brand: Accumulair. 21x21.5x5 American Standard AFM215A0AH0 style whole house filters, specifically constructed to substitute for the original brand American Standard AFM215A0AH0 filters. Fully constructed so no forming or combs needed. MERV classified to ASHRAE classifications assuring operation equal to the name brand American Standard AFM215A0AH0 air filters. Notice: The sample filter image as shown is not to scale and is included to show design only. Trade names and American Standard AFM215A0AH0 P/N are listed for filter replacement identification purposes only.
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