Foamaster II Chemical-Resistant Hose End Cleaning and Sanitizing Gun is suitable for degreasing, soaping, disinfecting, and cleaning. It has internal components that make it exceptionally resistant to acids or caustic liquids. A thick, clinging foam is generated which increases surface contact time for more effective cleaning of dairies, food handling shops, industrial areas, vehicles and equipment.The adjustable, accurate metering device may be set for 1, 2, 4, 6 or 12 oz per gallon ratios. Handle may be detached for a powerful water rinse. Chemical-resistant polyethylene bottle has a capacity of one quart.