... customized the size,design. Nylon filter bag(Nylon mesh filter bag): Materials: Polyester and Nylon. Monofilament ... be customed.Specs:Material: glass-fiber with PTFE coated P84,PPS,NOMEX,FMS needle punched feltWeight ... filter felt,Antistatic filter felt,PTFE filter bag,PPS filter bag,P84 filter bag,Polyester two proof needle punched ... :2004 Others fiberglass with PTFE membrane dust collector filter bag