Snap Ring TypeRubber Collar TypeNeoprene Collar, Silicon Collar, NitrileCollar, Viton Collar.Polypropylene CollarFor liquid filtration, the filter bags are availablein stitching pattern as well as thermally welded pattern.We are one of leading manufacturer of Industrial DustCollection Bags such as PP, PE, Nomax, Rayton, PTFE, Glass Fiber Etc.