The Shut-Off/Regulation Valve 13 mm (1/2") by GARDENA enables you to shut off or regulate individual branches of the 13 mm Connecting Pipes and Drip Irrigation Line of the Micro-Drip-System. The valve is very useful if you want to irrigate plants with varying watering needs or discontinue watering a row of plants after harvesting. The smooth regulation function allows you to control the water flow and individually adapt to your plants for optimal as well as water-saving irrigation. With the patented connection technology, you can expand your Micro-Drip-System in the garden quickly, easily and flexibly. The installation is intuitive and self-explanatory thanks to the clever symbols. A clear feedback click signals that the valve is in closed position, which gives you a reliable feeling during connection. If you combine the Micro-Drip-System with the separately available Master Unit 1000 (Art. No. 13333-20) or Master Unit 2000 (Art. No. 13310-20), it is reliably water-proof with constant water pressure. The system is sustainable due to its reusability, because thanks to the Quick & Easy connection technology, you can effortlessly connect all MDS-components to each other, flexibly expand and easily detach them. The Shut-Off/Regulation Valve 13 mm (1/2") by GARDENA is made in Europe. Micro-Drip-System. Caring for your plants and every precious drop. Easy, accurate, water and time-saving irrigation.