Water saving and energy saving: the drip irrigation shut off valve is used with 16PE pipe, the red valve on the top is easy to operate, help you adjust the flow or stop it, which can help you save water effectively. EASY TO INSTALL: No glue, tools or accessories needed, just push the tube firmly onto the beard and tighten the nut. Twist locks increase the tightness of the tube and prevent it from leaking. High Quality Material: The barbed ball valve for drip irrigation is made of engineering materials, with good structure and compressive strength, environmentally friendly, not easy to corrode, wear-resistant, and can be used for a long time. Suitable for pipes: each set contains 20 x 16mm PE straight droppers, both ends of the stop valve can be connected with 16mm PE pipes, please confirm the size you need before purchasing. A good helper for planting: This garden hose shut-off valve can be used in many places, such as courtyards, home gardens, flower beds, lawns, crop irrigation, urban greening, roof cooling, etc. Nice accessory for your irrigation system.