Dirty beer line and faucets can produce funky off flavors that can spoil the best beer. To keep your system operating efficiently, it should be cleaned after every keg has been emptied. This kit comes with everything you need to thoroughly clean your system, 1 qt hand pump, Beer Line Cleaner, brush, and faucet wrench. Pump attaches to your faucet shank for ease of use. Beer line cleaner can be used to clean your lines, shanks, faucets and taps.