The Orbit Pro Flo Adjustable Rear Trigger Nozzle Feature Unique Flow-Through Design That Maximizes Water Pressure. To Modify Water Pressure, A Rear Trigger Flow Control Allows A Quick Adjustment To The Flow Of Water Without Going Back To The Faucet. The Adjustable Nozzle Is Fully Adjustable From A Light Spray To A Powerful Jet Spray. Find The Right One For Every Task In The Home And Yard.