Orbit Watermaster 1/2" 6 Jet Plastic Stream Bubbler. It features a 1/2" FNPT inlet, solid plastic construction, and an inlet filter basket to prevent debris clogs. The finger flow adjustment allows you to adjust the flow from full-flow to a light trickle. This bubbler has a maximum flow rate of 2 GPM, a maximum spray radius of 3', a minimum spray radius of 1', and a pressure rating of 80 PSI. Backed by a 1-year limited warranty.