Quality and design coexist: Our siphon is an upgraded second generation Made of high quality copper and chrome, and the gasket is made of high quality silicone material (anti-corrosion, anti-oxidation, no rust) no need to worry, shiny and good quality. Optimization of the union nut accessories: Examined the requirements of 1,000 families on siphons, we are already correct optimization of the union nut accessories, with thicker and better quality union nut so that it does not come loose and swing. 100% universal siphon height adjustable: The pipe siphon made of chrome-plated brass fits all commercially available washbasins thanks to the standardized 1 installation size. Adjustable tube 120 mm (can be shortened). And immersion tubes that are too short 85mm Problem is solved, pipe siphon fits most bathrooms. Quick and easy installation: When you buy, you receive a complete set with all the required silicone seals and a rosette. The drain hose can be installed in a few steps without tools. High Quality Commitment: If you are dissatisfied with the siphon, please don't worry, give us the opportunity to serve you. We'll give you a new siphon for free or a full refund; we'd like to enable you to place an order with absolutely no risk.