Traffic Signal Disinfectant Bowl Cleaner is for use in commercial and industrial buildings, schools, manufacturing plants, public restrooms, hotels and motels. For use inside toilet bowls and urinals. Effective thick formula kills germs and quickly eliminates toilet rings, hard water stains, mineral deposits and rust stains, plus leaves a light fresh scent. This product is a combination of effective cleaners, plus antibacterial disinfectants, so you can be sure your bowl is completely clean. .EPA registration #8155-6-14994. Twelve quarts per case.