This Accumulair 19.5x19.5x1 air filter is solely designed to substitute for same sized 19.5x19.5x1 air filter specification. Pleated electrostatic charged filter material traps contaminants in the air according to the MERV standard rating. Free of chemicals. Note: Sample filter picture shown is not the actual dimensions and is displayed for construction only. Catalog and 19.5x19.5x1 air filter statements current as of 03/24/2020.
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