This Filter Hut Accumulair 20x21x2 air filter is solely constructed to be compatible with similarly sized 20x21x2 air filter style. Pleated electrostatically charged filter media captures airborne contaminants relative to its ASHRAE MERV rating. Chemical free. Notice: Sample filter image shown is not to scale and is displayed for design only. Current stock and 20x21x2 air filter specs last verified on 03/24/2020.
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