The Aspen Pet Cool Flow Pet Fountain is a purifying pet water fountain designed to keep your pet cool & hydrated, especially during the warmer months. Pet parents & pets appreciate the patented slope design that provides a natural continuous flow of circulating filtered, oxygenated water to ensure that your dog or cat stays hydrated with a unique patented no splash water slide. Continuous running water attracts your pet & encourages them to drink more water. Holds a large amount of water & is ideal for multiple cat or dog households. The quietly running fountain plugs into a standard household AC outlet.