Sanitimer - Hand Washing Timer - Faucet Attached Timer for Proper Hand Hygiene The SaniTimer Hand Washing Timer takes the guess work out of hand washing and allows users to be aware of how long they need to be washing their hands for. a faucet attached hand washing timer to make sure every user is washing their hands form the proper amount of time before returning to work reduce the amount of bacteria from being spread after using this device properly 20 seconds minimum is required for a total germ free clean by the Center for Disease Control and local health departments around the world