【360 Degree Adjustable】: 50pcs drip irrigation emitters 360° full circle spray pattern, adjustable flow irrigation drippers, you can adjust the amount of water by rotating the outer cap to open or block the holes, saving water resources and money. 【Design】: Irrigation drippers Connectable to 4mm/7mm or 0.16"/0.28"(inner/outer diameter) tube, great for automatic drip irrigation system. drip and sprinkler for flower bed, plant bed, vegetable garden, herb garden, lawn, green house, flower pots. 【Adjustable Water Flow】: 360 degree micro sprayer, rotating the cap on the top to easily adjust the water flow from 0 to 23 US gal per hour, and the watering circle diameter accordingly from 0 to 6.5ft. 【High Quality】 Made of quality materials. Lightweight, anti-acid and alkali, anti-corrosive, low temperature resistant, odorless.The bottom of the dripper is sharp and easy to insert into the soil. (13cm/5.1inch) 【Wide Usage】: The drip irrigation emitters can be used in low pressure situation.