Intelligent Design - The design of the water sprayer is with 8 holes adjustable water flow, and control the fluctuation of water pressure by rotating the sprayer. 8 Spray Holes - This type of drippers contribute to the uniformity of irrigation and can be adjusted individually by turning the orange switch to meet the different water needs of various plants. Adjustable flow range: 1-70L/h, Working pressure: 1-3KG. Water Saving - Water all your plants at the same time with your irrigation system. Watering the root of the plants, which minimizes evaporation and saves up to 70% water. Reduce watering time, uniform irrigation, not only save water, but achieve the best irrigation effect. Compatibility - Suitable for 4mm/7mm tube ( internal / external diameter). , greenhouse, plains, agriculture, lawn, herbs, garden sprinkler drip irrigation system, etc.