Erie Tools Pressure Washer Rotating Turbo Nozzle 5,000 PSI, 5.0 Orifice, 5.6 GPM with 1/4" Quick Connect Plug Maximum Pressure: 5,000 PSI Gallons Per Minute: 5.6 Nozzle Orifice Size: 5.0 Maximum Operating Temperature: 212 F 1/4-inch steel, stainless steel Quick Connect plug.