The Thirst Quencher is a clean, sanitary and economical pet watering system is ideal for home and kennel use. easy for pets to use. A lick or nudge of the lever releases water directly onto the dog's tongue then shuts off automatically when the dog stops licking. The thirst quencher has an internal valve design. The body is die cast with a hexagonal shape at its base to facilitate easy attachment and removal. The valve body is nickel plated for corrosion resistance and uses a machined aluminum lever. This unique waterer allows your dog to have access to cool fresh water easily with the easy to install auto shut off design.