1.good dust release 2.excellent high temperature 3.anti acid & alkali 4.excellent wear and tear resistanc Specification:1) Dia(mm): 120, 130, 140, 150, 160 etc. Special specification can be customize2) dust collector filter bag material : Polyester, PP, Acrylic , Aramid (Nomex), PPS , PTFE and a variety of compounded needle felt as your preference3) welcome OEM4) Sample or product catalogue of ...