CGOLDENWALL CGOLDENWALL is a manufacturer specializing in lab faucet, we will provide to you the English Instruction and Professional Service. Features: This production has 7 types, you can choose according to your needs. You can see the detailed data in the picture. The special design of tap can prevent blocking and save water. The anti-skid switch will help you operate even your hands are wet. This product can be applied to hospital, laboratory and schools for higher education. Specification: 1.Body Material : Copper/ Stainless steel/ 2.Size: Different Types with different size, marked in the pictures. NOTE: Thank you for choosing us! All products sold by our company, we will enjoy the strict assurance of the quality and excellent service, you can feel comfortable to buy and use.