Package Included: You will get 20 drip irrigation emitters in total, each drip irrigation emitter is 17.5cm/ 6.89 inches long, long enough for your garden management or plant growth. 360 Degree Adjustable: Kalolary drip irrigation emitter 360 full circle 8-hole spray pattern, adjustable flow irrigation dripper, spray radius can be adjusted from 0 to 50cm/19.7 inches, you can adjust the water volume by turning the outer cover to open or block the hole, reduce water waste. Humanized Design: Adjustable Flow 0-120 L/H - Fits 1/4'' (4-7mm) Drip Irrigation Tube - Professional Grade Drip Irrigation Dripper. Before assembling, please make sure to put the connecting parts into 70~80 water for 10 seconds. After cooling, the tube will stay tight. High Quality: These drip irrigators are made of high-quality materials, with strong pressure resistance, corrosion resistance, light weight and wear resistance, can work for a long time. Besides, the bottom of the dripper is sharp enough to be inserted into the soil more easily. A large number of applications: The drip irrigation injector can be used in low-pressure situations. Suitable for watering potted plants, potted plants, ground cover plants, landscape gardens, flower beds, vegetable gardens, greenhouses, orchards, lawns, self-seeded plants, herb gardens, etc.