Spray Moisturizing Hand Sanitizer - E3 is designed for use in the Rubbermaid Commercial Wall-Mounted Spray Hand Sanitizer System (sold separately). This superior sanitizing system kills up to 99.99 percent of harmful germs. Manual spray delivery provides thorough hand coverage and dries rapidly with no stickiness. It is proven in laboratory tests to increase the moisture content of skin from 12 to 16 percent. Alcohol sanitizer is NSF registered E3 as appropriate for foodservice uses..