The Portable 2-Way 517 Sanitizer is a water-driven, high volume spray applicator for projecting 2 different dilution ratios of the same sanitizer as a heavy spray on to any surface or equipment. With a high flow rate, this unit can dilute chemical concentrates to the lean ratios required for no-rinse sanitizing in food plants. This venturi injection system uses standard city water pressure (35 - 125 PSI) to draw and blend chemical concentrate into the water stream. Precision metering tips are used to create an accurately diluted solution which is projected through the discharge hose and fan nozzle as a 5.4 GPM heavy spray. Use the chemical ball valves to select which dilution ratio to use.