Welcome to all new Premier Hydro Store! If you created a customer account prior to 01/20/2021 you will need to update your password.
These pre-filters are used to stop small particles and dust from getting in contact with the carbon, thus preventing premature depletion of its odor-trapping ability. The pre-filters are made from 100% polyester. They are sold packaged in a plastic bag to ensure they stay clean until installation.
Use with the PROfilter 150 filter.