SIMPSON Cleaning 80156 Universal Pressure Washer 4 Orifice Size Turbo Nozzle for Cold Water Universal to fit most gas pressure washers with quick connect spray wands Fits standard 1/4" QC wand connection Creates a powerful jet of oscillating water Turbo nozzle cleans faster than standard nozzles; Ideal for cleaning brick, concrete and vinyl Orifice size 4.0 rated up to 4500 PSI