This Filter Hut Accumulair 13.25x13.25x4 air filter is specifically designed to be compatible with same sized 13.25x13.25x4 air filter specification. Pleated electrostatic charged filter media traps airborne contaminants according to the MERV standard specification. Free of chemicals. Note: The sample filter image shown is not to scale and is displayed for construction purposes. Current stock and 13.25x13.25x4 air filter specs last verified on 03/24/2020.
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