The ZEUS Fresh & Clear Elevated Dog and Cat Water Dispenser is a large water fountain that recirculates its own water to provide a continuous supply of fresh and clean drinking water for your pets. The water dispenser comes with one triple action filtration system that softens the water, collects debris, and absorbs odors. It also has an elevated dog bowl that provides a better drinking position for large breeds, older dogs, or dogs with arthritis, muscle, and joint problems. The ZEUS Fresh & Clear Elevated Dog and Cat Water Dispenser holds 5. 9 liters of water and provides fresh, tasty drinking water for several days or for multiple dogs.