Rain Bird Flower Bubbler Type: Accessories Features: Full circle pattern only. Stainless Steel adjustment screw regulates flow and radius for spacing between from 1 to 3 feet (0.3 m to 0.9 m) apart. Filter screen included. Non-corrosive plastic and stainless steel construction for long life. Inlet: 1/2-inch female threaded Height: 1 Top diameter: 1 Flow: 1.0 to 2.3 GPM Pressure: 10 to 60 psi