4 Turbo Pressure Washer Nozzle 2.5 Orifice 1/4″ Quick Connect 4000 PSI by | Jul 24, 2026The 1/4″ quick connector is made of stainless steel, which is wear-resistant, not easy to rust or corrode. It can be used to clean different surfaces such as cars, trucks, boats, building exteriors, courtyards, and more.