This Filter Hut Accumulair brand 21x23.25x1 air filter is solely constructed to be compatible with similarly sized 21x23.25x1 air filter type. Pleated electrostatically charged filter media captures airborne contaminants according to the ASHRAE MERV rating. Chemical free material. Notice: The sample filter image shown is not the actual dimensions and is shown for design purposes only. Current stock and 21x23.25x1 air filter variations current as of 03/24/2020.
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