Our Accumulair brand 19x21.5x1 air filter is specifically engineered to be a replacement for same sized 19x21.5x1 air filter type. Pleated electrostatic charged media traps airborne contaminants according to the MERV rating. Free of chemicals. Note: The example filter picture as shown is not to scale and is displayed for style purposes only. Database and 19x21.5x1 air filter variations last updated on 03/24/2020.
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