Developed by a veterinarian, the Drinkwell® 360 Stainless Steel Pet Fountain provides 128 oz (1 gal) of fresh, filtered water to your pet. Multiple free-falling streams of water entice your pet to drink more and continually aerate the water with healthful oxygen. A charcoal filter removes bad tastes and odors, giving your pet the best way to stay hydrated. The 360's multiple streams and circular design allows pets to drink from any angle and is great for multiple pet households. Stainless steel is the #1 material recommended by vets for the most hygienic pet dishes.