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 compatible with 4mm/7mm (inner/outer diameter) tube. Be sure to put the connected part in 70~80 water compatible with 10 seconds becompatible withe assembling it. Once cooled,the tube will stay tight. Widely Used: Ideal compatible with watering potted plantscompatible with agriculture, lawn, garden drip sprinkler irrigation. Efficient use of water: Able to maintain constant during long periods of egg laying or pressure fluctuations, the unicompatible withmity 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 percompatible withmance Able to maintain constant during long laying or pressure fluctuations, irrigation unicompatible withmity Ideal compatible with automatic watering of potted plants 1/4 inch threaded connection Use water efficiently and save water App Ideal compatible with watering potted plants, compatible with agriculture, lawn, garden sprinkler irrigation drip Able to keep constant when long exposure or pressure fluctuation, unicompatible withm irrigation, slow watering rate make the soil absorb water more fully in the root zones of plants