... ,polypropylene,acrilic,PPS,fiberglass,PTFE,P84,Nomex 3.dust filter bag sieriesMade of needle felts as listed in 2 ... 4.liquid filter bag sieriesMonofilament filter bag, multifilament filter bag,needle punched filter bag,made of pp,pe, ... nylon),the filtering precision can reach 1micron. 5.other filter matierialsIncluding screen mesh,conveyor belt,filter cartridge etc. fiberglass needle mat