GradientPP sediment filter cartridge PP sediment filter cartridge is formed by heat melting filum from polypropylene, we adopted gradient sieving structure to insure filter precision and extend life span. It is suitable for pre-filtering, and remove particles from water. Designed for drinking water purifier. With high practical-holding capacity, long service life and low pressure drop offer outstanding performance in filtration process. Features: 1.section gradient structure design; 2.no fiber migration; 3.made from pure polypropylene; 4.high flow rates with lower pressure drop; 5.support a wide range of industrial and chemical applications Specification Normal pore size:1μm,5μm,10μm,20μm,30μm,50μm,75μm,100μm Dimension OD(Outer Dia):55mm, 63mm, 65mm ID(Inner Dia): 28mm, 30mm Length:10",20",30",40"( Inch) 250mm,500mm,750mm,1000mm Cartridge Adapter: double open, 226 (code 7), 222(code 0) Customized filters are also available and handled as special order. Application: *drinking water purifier *membrane prefiltration *DI water *milk products *plating solution *chemical process fluids *industrial coating *food & beverages