Connection: 6.35mm thread connection, 6.35mm hose, suitable for 4mm/7mm tube (inner/outer diameter); Spray diameter: fully open, they will cover a 10-12 inch circle. Adjustable: 360 degree adjustable, 8 spray holes and can adjust the water flow, also to cut off the water flow. Large water passages and automatic flushing action help prevent clogging. Operation: Fully open, they will cover a 10-12 inch circle. Rotation of the cap allows adjustment of the flow rate and the diameter of the downward jet for complete closure via a ratchet mechanism on the cap and a notch on the base. Suitable for Plants: Able to maintain stability during prolonged laying or pressure fluctuations, the slow watering rate allows the soil to absorb water more fully in the root zones of plants. Widely Used: Ideal for watering potted plants, agriculture, lawn, flower beds, vegetable garden irrigation, watering herbs, etc. The precision drip irrigation kit delivers the right amount of water to plant roots slowly, which reduces the greatest amount of evaporation. Compared to manual watering, it saves a lot of time and up to 70% water. Features: * Good sealing and long service life. * Excellent for self-watering potted plants. * Efficient water use and water saving. * Automatic cleaning, boot water flow channel, anti-clogging performance. * Able to maintain long exposure time or pressure fluctuations, uniform irrigation. Features: Material: plastic. Adjustable flow range: 0.5 to 80 l/h. Operating pressure: 0.1 to 2.0 kPa. Thread diameter: 6.35 mm, spray radius: 0-0.5 m. Suitable for 4mm/7mm (inner/outer diameter) tube. Content: 100 drippers. Tips: 1. Soak the end of the tube in hot water for one minute, it will be easier to put them together. Once cool, the tube will stay tight. 2. Covering some pipe and soil defoliation can help reduce water evaporation and extend the life of the pipe.