Efficient Water Use: Able to maintain constant during long exposures or fluctuating pressure, the uniformity of irrigation and slow watering rate allows the soil to absorb water more fully in the root areas of plants 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 Connection: 6.35mm threaded connection, 6.35mm hose, suitable for 4mm/7mm tube (inner/outer diameter) Widely Used: Great for watering potted plants, for agriculture, lawn, garden sprinkler garden Package content: 200 purple micro drippers Package content: 200 purple drippers. Features: Adjustable flow rate range: 1-70 l/h, operating pressure: 1-3 kg. Thread diameter: 6.35 mm, spray radius: 0-0.5 m. Suitable for a tube of 4mm/7mm (inner/outer diameter). Features: Good sealing and long life of life. Automatic cleaning, start-up water flow channel, anti-clogging performance. Able to maintain long exposure time or pressure fluctuations, even irrigation. Excellent for automatic watering of potted plants. 1/4" thread connection Efficient water use and water saving. Note: The product may emit an odor over the long term. Please hold by hand in the air convection for 1-2 days.