High Flow Wash Gun in Brass Professional , designed for industrial cleaning operations in factories, buildings, agribusiness, equipment, machines and more. According to the pressure you exert on the trigger to adjust the power, you can vary from a wide spray to a powerful concentrated jet. Inlet Attack G 1/2 Female. Body Material is Brass, with cover and seals in EPDM rubber, Trigger, stem and handguard in stainless steel AISI 304 and nozzle shaft and spring in stainless steel AISI 316