Upgrade your garden irrigation system with these 5 Pack 1/2 in. Drip Irrigation Valves. Each valve is designed to fit 1/2 in. drip irrigation tubing with an inside diameter from .570 to .620 in.es. The one - piece construction ensures strength and long - term durability. Installation is a breeze; just insert the drip pipe on both sides of the valve, and the barbed end will securely hold the 5/8 in. or 1/2 in. tubing, preventing leaks. These valves offer adjustable water flow control, allowing you to precisely distribute water to individual plants or planting containers. They are suitable for a wide range of applications, including raised garden beds, landscaping, greenhouses, and more. With these valves, you can efficiently manage your garden's water supply and keep your plants healthy.