... workmanship, skilled, practical units are welcome to come to negotiate!Nonwoven needle punched Filter bag:1)Materials: Polyester, Nylon, PP, PE, PTFE, Nomex ... , Fiberglass, etc.2)Technics: Nonwoven Needle Punched3)Gram Weight: 100gsm-1000gsm4)Thickness: 0.5mm-30mm5)Usage ...