Discover how quickly your DIY drip project comes together with the Adjustable Flow Micro Sprinkler Assembly. Made for a fast, easy install, the micro sprinkler, adjustable riser, stake, & inlet come preassembled and ready to connect. Fan spray micro sprayer emits water in a half-circle pattern at up to 24 GPH and radius of up to 13 ft. (at 15-50 PSI). Adjust the amount of water flow with the control knob. Micro sprinkler, riser, and tubing made of polyethylene; stake and connector made of ABS; all materials treated with UV inhibitors.