This pack of replacement carbon prefilters fit the Winix C545 air purifier unit. They are to be used with the Magnet replacement filter HEPA filter for Winix filter S. The carbon prefilter helps to extend the life of the main, HEPA filter and also absorbs unwanted indoor odors. Each prefilter lasts approximately 3 months depending on use and environement.
Approximate size: 11 x 13
Made by Magnet.
The Magnet logo on this page signifies that this product is a factory direct replacement to the OEM branded filter.