... need clean filter, saving labor and time.3, Filter bag lateral leakage probability is small, strongly ensure filtration quality4, Bag filter could ... filter screen,polypropylene/polyester,four fluorine nylon etc.( high temperature and high pressure resistant )Filter bag specification:#1bag(430mmX180mm),#2 bag ... ,4 bags,6 bags,8bags,10 bags,12bags Bag Filter water filtration