Stera-Sheen Green Label cleans and removes milkstone in only one procedure. There is no need for separate procedures to clean, delime, and remove milkstone from your machine and parts. This saves additional labor and cleaning materials. When Stera-Sheen Green Label is exposed to a soiled surface, it removes the soil, checks bacterial odors and kills any bacteria. Milkstone and mineral deposits will not reappear when Stera-Sheen Green Label is used regularly as instructed. Stera-Sheen Green Label is NSF listed D2 sanitizer not requiring rinse.