Manufactured from 100% Polypropylene construction. They offer excellent filtration and good thermal stability. The unique density gradient construction maximizes efficiency and minimizes pressure drop. This filter will not impart taste, odor, or color to the filtered product and has superior chemical resistance for process fluid applications. Optional Grooving effectively doubles the surface area providing lower clean pressure drop, increased dirt holding capacity and longer life. Cartridges are available in various sizes, micron ratings, and end treatments.