The Netafim 17mm Shut-Off Valve features dual 17mm barbed tubing connectors designed to fit 17mm UV poly tubing. The valve has a one-piece construction for added strength and is UV-resistant, making it durable enough to withstand heat, direct sunlight, and harsh chemicals. It is easy to install without the need for clamps, glue, or tools, and forms a tight, leak-proof connection.