1,using hot-melt process,firmly,without emissions; 2,wide chemical compatibility 3,meet a variety of applications/cartridge. features Folded filter cloth used to make polyester fiber filter media, formed by the bow after the PP PVC end caps and center as a whole filter rod glued. Its single-or double-layer structure, the filtration pressure is low; folding design, filtering area; overall bonding, sealing performance is better. Folded filter for large flow of liquid, especially water, coarse filter.  Folded filter uses:    1) Pharmaceutical industry: pharmaceuticals, biological and filtration of plasma products     2)Food and beverage industry: wine, beverage, mineral water, pure water filter     3)Oil industry: oil field water filter     4)Electronics industry: high-water pre-filtration, reverse osmosis system pre-filter, pre-filtered deionized water system     5)Chemical industry: organic solvent, acid, lye filter

20" pleated polypropylene cartridge filter /PP filter parts/water filter cartridge