... Dust filter bag material: POLYESTER, PPS, NOMEX, PE, FIBERGLASS, PP, ARYLIC 2. All kinds of surface finish, PTFE coating 1.The material of ... the dust filter bag: POLYESTER, PPS, ... bag.3.We can provide two different kinds of the filter bags, one is external filter ... can meet the different requirment of media and type! dust filter bag