... 1) Material: polyester, polypropylen, aramid,P84,acrylic,PPS,PTFE and all compound filter bag features:1) Material: polyester, polyprolene,aramid,P84 ... ,acrylic,PPS,PTFE and all compound needle punched filter felt.2) Can do all ... requirements,such as polyester,polypeopylene,aramid,acrylic,P84,PPS,PTFE and compound filter felt.3) Used for normal or high ...