PSG Pleated Filter Cartridge is made from a Polyethersulfone Polymer cast, offered in a wide range of pore size from 0.05~1.0um enabling our customers to meet the requirements of very different and specific applications. These range from pre-filtration in the food & beverage industry, process water treatment in microelectronics to applications in the biotechnology and pharmaceutical industries. Configuration of all Polypropylene made by heat-adhesion technology warrants the lengthened all materials and components are acceptable to FDA list, 21 CFR for potable and edible liquid.