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 & odors, giving your pet the best way to stay hydrated. The 360's multiple streams & circular design allows pets to drink from any angle and is great for multiple pet households. Stainless steel is preferred by vets as the most hygienic pet dish. This unit is dishwasher safe, excluding pump. Replacement filters 298-14356 & 298-14089.