Two tubes welded toghter,light,elastic,easy to handle,anti-erosion,resistant ... in welding machine,architecture and lacquer factory.Characteristics: 1) Two tubes welded toghter,light,elastic,easy to handle,anti-erosion,resistant ... .515XZII-10×313/32101616.5XZII-12×31/2121819 PVC Fiber Reinforced Twin Welding Hose