Our Accumulair 19.5x21x2 air filter is solely constructed to substitute for similarly sized 19.5x21x2 air filter specs. Pleated electrostatic charged filter material captures contaminants in the air relative to its MERV rating. Material is free of chemicals. Note: The example filter picture displayed is not to scale and is included to show construction purposes only. Database and 19.5x21x2 air filter statements last updated on 03/24/2020.
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