This Filter Hut Accumulair brand 19.5x22x4 air filter is specifically engineered to substitute for same sized 19.5x22x4 air filter specs. Pleated electrostatic charged media captures airborne particles according to the ASHRAE MERV specification. Chemical free. Notice: Sample filter image as shown is not to scale and is displayed for style purposes. Catalog and 19.5x22x4 air filter specs current as of 03/24/2020.
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