Our Accumulair brand 16x20x4 air filter is solely constructed to be compatible with same sized 16x20x4 air filter style. Pleated electrostatically charged filter media traps contaminants in the air according to the MERV standard rating. Chemical free material. Notice: Example filter image displayed is not to scale and is included to show construction only. Catalog and 16x20x4 air filter specs last updated on 03/24/2020.
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