Save both water and energy: the drip irrigation shut-off valve for use with 16PE tubing, and the red valve at the top is easy to operate, helping you adjust the water flow or shut off, can help you save water effectively. Easy to install: No glue, tools or accessories required, just push the tube firmly onto the barb and tighten the nut. The twist lock increases the tightness of the tube and does not leak. Premium Material: The drip irrigation barbed ball valve is made of engineering material with good structure and compressive strength, environmentally friendly, not easy to corrode and wear resistant, can be used for a long time. Suitable for tubes: each package contains 20Pcs 16mm PE straight drip tube, both ends of the stop valve can be connected with 16mm PE tube, please confirm the size you need before purchase. Good helper for planting: This garden hose shut off valve can be used in many places, such as patio, home garden, flower bed, lawn, crop irrigation, urban greening, roof cooling, etc. Beautiful accessories for an irrigation system.