... air filtration, such as PPS, PTFE, P84, nomex filter bag , acrylic, polyester, fiberglass needle felt or other compounded needle ... etc. Special specification can be customize 2) dust collector filter bag material optional : Polyester, PP, Acrylic , Aramid (Nomex), PPS , ... ODM/OEM4) Sample or product catalogue of the filtration bag availableApplicable field :Glass fiber filter bags(needle felt) are ...