This Accumulair 17x20x1 air filter is specifically constructed to substitute for similarly sized 17x20x1 air filter style. Pleated electrostatically charged filter media traps airborne contaminants according to the ASHRAE MERV specification. Chemical free. Notice: The sample filter picture shown is not to scale and is included to show style purposes only. Catalog and 17x20x1 air filter variations current as of 03/24/2020.
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