This Accumulair brand 18.25x22x1 air filter is specifically built to substitute for same sized 18.25x22x1 air filter specification. Pleated electrostatic charged media traps airborne substances according to the MERV rating. Chemical free. Notice: The sample filter image shown is not the actual dimensions and is included to show design purposes. Catalog and 18.25x22x1 air filter variations last updated on 03/24/2020.
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