The Drinkwell 360 Stainless Steel Fountain is designed for cats and small or medium dogs. Multiple free-falling streams of water entice your pet to drink more and continually aerate the water with healthful oxygen. A replaceable 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 number 1 material recommended by vets for the most hygienic pet dishes. This unit is dishwasher safe, excluding pump.