This Accumulair brand 21.5x23.25x1 air filter is exactly constructed to replace similarly sized 21.5x23.25x1 air filter specs. Pleated electrostatic charged media captures contaminants according to the MERV standard specification. Free of chemicals. Note: Sample filter image displayed is not to scale and is included to show style only. Current stock and 21.5x23.25x1 air filter variations last verified on 03/24/2020.
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