This Filter Hut Accumulair brand 17.25x26x4 air filter is specifically engineered to replace same sized 17.25x26x4 air filter type. Pleated electrostatically charged filter material captures airborne contaminants relative to its ASHRAE MERV specification. Chemical free. Note: Example filter image displayed is not the actual dimensions and is included to show design only. Catalog and 17.25x26x4 air filter specs are up to date as of 03/24/2020.
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