1 Bag, water Filter for initial and fine filtering 2 Used as Oil filter, other kinds 2 Impurity: <1000ppm; Filtration: 1-1000m ... DHBS Side-In Single Bag Filter ( Water Filter, Oil Filter ) # 1. Application: ... , Bio-Chemical, Oil Paint, Synthetic Resin, Desalted Water, Dairy Products, Water treatment, Tape Masking Liquid and so on. 2. ...