Our Accumulair brand 19.25x23.25x4 air filter is solely designed to replace same sized 19.25x23.25x4 air filter type. Pleated electrostatic charged media traps contaminants in the air relative to its ASHRAE MERV specification. Free of chemicals. Notice: Sample filter picture as shown is not to scale and is displayed for style purposes only. Database and 19.25x23.25x4 air filter variations current as of 03/24/2020.
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