... (PP), Fiberglass, METAMAX, FMS, P84, Acrylic, PTFE Membrane etc. OEM is Acceptable. Nonwoven Needle Felt Filter Cloth forDust filter ... bagsMaterial: Polyester (PET), polypropylene (PP), Fiberglass, METAMAX, FMS, P84, ... supposed to be your constant supplier.Specialized in filter cloth production, spun finished woven cloth, and ...