Control the water flow rate and spray range easily with the Dial-a-Flo™ Adjustable Bubbler. The head of the bubbler is also a dial that adjusts the discharge rate from 0 to 20 GPH and throw, from 0 to 36 in. radius. The 8-stream emitter releases water in a full-circle, 360° pattern. Use for watering groundcover, decorative grasses, flower and vegetable gardens, as well as trees and shrubs. The bubbler has a 1/4 in. barbed inlet that fits 1/4 in. distribution tubing (A220 and A250) or 1/4 in. Dura Flo™ JR dripline and attaches to the 6 in. stake, included. Adjustable bubbler made of polyethylene, stake made of ABS plastic; both treated with UV inhibitors to prevent fading and cracking.