This Raindrip Full-Circle Drip Irrigation Micro Spray 20 GPH 5-Pack R180CT delivers the perfect amount of water to plants with its adjustable flow control knob and 12-stream spray. One micro spray provides a full-circle pattern of up to 23.9 GPH with a 9.4 foot customizable radius and no tools required for installation. Ideal for groundcover, flower beds, planting beds, vegetable gardens, and new plantings. Made of polyethylene treated with UV inhibitors.