Two tubes welded together, light, elastic, easy to handle, anti-erosion. Welding machine,architecture and lacquer factory. Applications ... tubes welded together, light, elastic, easy to handle, anti-erosion, fire resistant, and easy to distinguish, due to the different color of the tube ... -8x2.55/168135020JD -9x33/89155030JD -10x313/321016320JD -12x31/212185030 PVC Fiber Reinforced Twin Welding Hoses