This Filter Hut Accumulair 19.5x21x1 air filter is specifically made to be a replacement for same sized 19.5x21x1 air filter type. Pleated electrostatically charged filter material captures contaminants in the air relative to its ASHRAE MERV specification. Chemical free material. Note: The sample filter image shown is not the actual dimensions and is displayed for style purposes. Database and 19.5x21x1 air filter specs are up to date as of 03/24/2020.
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