Operating Ranges U.S. Pressure: 55 - 95 psi Flow: 24.9 - 121 gpm Spacing: 75 - 113 feet Trajectory: 23 Degrees Specifications 1-1/4" male inlet, National Pipe Thread (NPT) Drive nozzle 1" - 20 UNEF Filler nozzle 1/8" - 27 NPT