... ,50,75,100micron 2with pure materials for filter cartridge string wound yarn filter cartridge 1.Brief Account: Wound cartridges provides true depth ... : (1) Yarn Material: Polypropylene,Cotton(2) Core Material: Polypropylene(3) Micron Rating: 0.1,0.22,0.45 0.5, 1 ... , 3, 5, 10, 25, 50, 75, 100,150 Micron(4) Suuport, Core &End Cap:PP, S.S 202 &S ...