Polyester Liquid Filter Bag: 1) Liquid filter bag, dust collector 2) material: Polyester 3) multi-applications 4) OEM mold Polyester Liquid Filter Bag, Water, Oil & Liquid Filter: We have a big range of polyester liquid filter products, can be adapt on different filtering requirements, including antistatic filter bag& cloth, oil & water repellent (PTFE coated) filter bag & cloth, PTFE membrane ...