Pre-Filters are made from 100% polyester and are used to encase the PROFilter carbon filter, reducing the amount of dust and particulates that come into contact with the carbon, which extends the lifespan of the filter.
The PreFilter for ProFilter 150 is the yin, to your yang. You've found what you're looking for.
Inventory Last Updated: May 19, 2022
Inventory Last Updated: May 19, 2022
