Erie Tools Pressure Washer Rotating Turbo Nozzle 3,000 PSI, 4.5 Orifice, 3.8 GPM with 1/4" Quick Connect Plug Maximum Pressure: 3,000 PSI Gallons Per Minute: 3.8 Nozzle Orifice Size: 4.5 Maximum Operating Temperature: 212&deg; F 1/4-inch steel, brass-plated Quick Connect plug.