Feb 22, 2022 · PTFE Cartridge Filters (Hydrophilic)-Shanghai jieken Film filter Co., Ltd.-Constructed of rugged, Hydrophilic PTFE pleated membranes with polypropylene supports to enhance durability and cleanliness Injection Grade, pharmaceutical Grade, Food Grade Connections :2-222 O-rings, 2-226 O-rings, with spear, with flat ,DOE, SOE, etc. Available in filter ratings: from 0.05um to 10um Cartridge Lengths