General description 100pcs Irrigation Dripper with a 360-degree adjustable micro sprinkler design, perfect for 1/4 inch (4-6mm) irrigation tubing. These drip irrigation emitters feature a full circle spray pattern and adjustable flow, allowing you to control the water amount by rotating the outer cap. This helps save water resources and reduces costs. Technical specifications Adjustable water flow: 0 to 23 US gallons per hour Watering diameter: 0 to 6.5 feet Dripper length: 13 cm (5.1 inches) Compatible tubing: 4mm/7mm or 0.16"/0.28" (inner/outer diameter) Usage These irrigation drippers are suitable for a variety of applications, including: Flower beds Plant beds Vegetable gardens Herb gardens Lawn Greenhouses Flower pots Orchards Self-planting Other information Made from high-quality materials that are lightweight, anti-acid, alkali resistant, anti-corrosive, low temperature resistant, and odorless. The sharp bottom of the dripper makes it easy to insert into the soil.