NAVA 1 1/2"DN40 Rotating Irrigation Sprinkler Head Garden Lawn Spray Nozzle Water Gun Matarial: Metal Connecting size: 1 1/2" internal thread Pressure: 43.5-65PSI (300-450 kpa) Discharge: 30.8-45 GMP (7.0-10.2 m/h) Spray Diameter: 137.8-170.6 Feet (42-52m)