... collar, PP and PE plastic ring collar 3.plaining weaving Polyester liquid filter bagsize:7*16,7*32,4*8.25 ... ,4*14 inch material: polypropylene,polyester,teflonfilter bag collar material:stainless steel ring,galvanized ring and polypropylene plastic ... , resetting prior to use, should antibacterial agent is rinsed clean) Polyester Liquid Filter Bag