Make your DIY drip project quick, easy, and stress free with the Adjustable Flow Micro Sprinkler Assembly. The micro sprinkler, adjustable riser, stake, and inlet come preassembled and ready to install. The 8-stream micro-sprayer emits water in a full-circle pattern at up to 13 GPH and radius of up to 3 ft. (at 15-50 PSI). Use the control dial to increase or decrease the output of water to your preference. Micro sprinkler, riser, and tubing made of polyethylene; stake and connector made of ABS plastic; all materials treated with UV inhibitors.