Water Treatment Plant, Filter Cartridge manufacturer / supplier in China, offering Chemical Liquid Filtration 20 30 40 Inch Polypropylene PP Filter Plastic Cartridge Filter Housing Vessel, Industrial Pph Size 1 and Size 2 Plastic PP Polypropylene Single Bag Filter Housing Vessel, Pph #2 Size Polypropylene Bag Filter Housing, 2 Inch Flanged Inlet/Outlet and so on.