Barbed Ball Valve 16mm for 1/2 and 5/8 Inch Tubing (.570 to .620 ID) Barb Shut-Off Coupling Valve Water saving- helping your adjust water to flow or turn off, save your money. Simple to use: The blue handle can be adjusted or completely turned off for easy operation. Material-Made of high-quality PP material, it has strong anti-oxidation ability, can maintain stable work under different temperatures and different pressures, and has a long service life. Application scenario-Effectively control water flow to individual plants, suitable for drip irrigation systems, gardens, farmlands, greenhouses, flower beds, lawns, aquarium pumps, etc., Manufacturer: UCLEVER