Working pressure: 1.0-3.0kg Flow rate: 0- 70L/H Spray diameter: 0-1 meter 360 degree adjustable: 8 spray holes and can adjust the water flow, also to shut off the water flow. Large water passages and self-flushing action help prevent clogging. Connection: 1/4 inch barbed thread connector, 1/4'' hose, suitable for 4mm/7mm (inner/outer diameter) tube. Widely used: Ideal for watering potted plants, For agriculture, lawn, garden sprinkler irrigation drip. Use water efficiently: Able to maintain constant when long exposure or pressure fluctuations, irrigation uniformity, slow watering rate allows the soil to absorb water more fully into the root zones of plants. Make sure to put the connected part into 70~80° water for 10 seconds before dripping. After cooling, the tube will stay tight. Size: total length 25mm, top diameter 15mm Package Included: 100 x Micro Drippers