The PetroClear® model 40530W-AD utilizes a 30 micron (nominal) cellulose media to remove particulate from gasolines and diesel fuels including Biodiesel and ULSD (Ultra Low Sulfur Diesel). Removes particulate 30 microns (nominal) or larger. It utilizes a super absorbent chemical that is laminated to the filter media for water sensing capabilities in neat gasoline and diesel fuels.