Thin-wall water pipe advantage Avoid scaling, which inhibits bacteria growing and makes more hygienic healthier water. Improved joining tech, which makes installation easier and more secured. Better sealing avoids water loss. Smaller outer diameter for the same flow amount allows easier hidden job. Better resistance to high temperature, higher pressure, impact, vibration, stretching, longer lifetime which lasts mire than 50 years. 100% recycling, environmental friendly and energy saving.