Our Accumulair brand 19x23x4 air filter is specifically designed to be compatible with same sized 19x23x4 air filter type. Pleated electrostatic charged media captures contaminants in the air relative to its ASHRAE MERV specification. Chemical free material. Note: Example filter image as shown is not to scale and is shown for design purposes only. Catalog and 19x23x4 air filter variations are up to date as of 03/24/2020.
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