The Heliopac 30 is constructed of a bronze housing with stainless steel internal components, output: 30 GPM max. Pressure of 400 PSI, max. Temperature of 190°F. Comes mounted on a stainless steel cart with swivel casters and racking for included steam and water hoses, sight flow indicator, and pall cartridge filters. Connects to 1" and 1 1/2" NPT fittings for water and steam, 3/8" NPT connection for detergent. Unit measures 30" W. X 48" L. X 51" high. It is without a spray gun nozzle.