PENSON & CO. 4.0 GPM Turbo Rotary Rotating Nozzle for Pressure Washer 1/4 Quick Connect 5000PSI MAX pressure: 5000PSI; Working pressure: 4300PSI. Max Temperature: 130F(Do please check the pressure and flow of your machine before order!!) Quick Connect Inlet: 1/4"; Nozzle size: 4.0 GPM (1.236mm) Material: rubber + stainless steel Fast rotate: 30000R/M Ten times faster than a standard nozzle