The Keg & Carboy Washer reduces the time it takes to clean and sanitize your kegs, carboys, and buckets (also comes with hose cleaning adapters). simply fill the reservoir with cleaner or sanitizer, place the vessel over the sprayer, and plug it in. This great automated device frees you to complete other tasks while it works. Save on cleaning and sanitizing chemicals, by spraying the solution on the entire inner surface you use less, saving water and chemicals. The reservoir also contains space to soak small items like airlocks and stoppers.