PVC twin welding hose 8mm 10mm soft, flexible, top quality light weight red and blue color from factory ... layers PVC twin welding hose Descriptioin: 1. 3 layer: PVC resin 2. middle layer: special reinforced polyester mesh/ yarn. 3. Size: 6 ... resistant, weather resistant and zone resistant. Its of pressure bearable, flexible, light in weight, anti-bending, less distortion and nice smooth ...