1.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, NOMEX, PE, FIBERGLASS, PP, ARYLIC. 2.Our company ... requirement including round, trapezoidal, flat and profiled filter bag.3.We can provide two different ...