360 degree adjustable: 8 spray holes and can adjust water flow, also to cut off water flow. Large water passages and self-flushing action help prevent clogging . Connection: 1/4 inch barbed thread fitting, 1/4`` hose, suitable for 4mm/7mm (inner/outer diameter) tube. Be sure to put the connected part in 70~80 water for 10 seconds before assembling it. Once cooled,the tube will stay tight. Widely Used: Ideal for watering potted plantsFor agriculture, lawn, garden drip sprinkler irrigation. Efficient use of water: Able to maintain constant during long periods of egg laying or pressure fluctuations, the uniformity of irrigation, the slow watering rate allows the soil to absorb water more completely in the root zonesplants. Package included: approximately 200x Micro Drippers. The drippers may cause some odor in the long-lasting packaging. Please open and put back the air convection in 1-2 days. The smell will disappear normally. Features: Good sealing and long life Automatic cleaning, starting water erosion flow channel, anti-clogging performance Able to maintain constant during long laying or pressure fluctuations, irrigation uniformity Ideal for automatic watering of potted plants 1/4 inch threaded connection Use water efficiently and save water App Ideal for watering potted plants, for agriculture, lawn, garden sprinkler irrigation drip Able to keep constant when long exposure or pressure fluctuation, uniform irrigation, slow watering rate make the soil absorb water more fully in the root zones of plants