360 Degree Adjustable: 100pcs Drip Irrigation Emitters 360 Full Circle Spray Pattern, Adjustable Flow Irrigation Drippers, you can adjust the water amount 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) tubing, ideal for automatic drip and sprinkler watering system 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 circle diameter watering accordingly from 0 to 6.5 feet. High QualityMade 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. (13 cm / 5.1 inches) Wide Use: Drip irrigation emitters can be used in low pressure situation. Suitable for pots, tubs, ground cover, landscape gardens, flower beds, vegetable gardens, greenhouse, orchard, lawn, self-planting, herb garden watering, etc.