General Pump Rotating Turbo Nozzle - 4.0 Orifice, 3,650 PSI, Model# NYR36K40 #4.0 orifice 1/4in. quick-connect plug Works best with pressure washers 2,000-3,650 PSI Ceramic nozzle tip and ceramic seat for extended life Insulated cover protects turbo nozzle when cleaning in tight areas