PetSafe Drinkwell Everflow Indoor/Outdoor Water Fountain LARGE WATER CAPACITY: 192 oz. water capacity is great for large breeds or multiple pets ENCOURAGES DRINKING: Free-falling stream entices pets to drink more water FILTERED WATER: Includes replaceable carbon water filter that removes bad tastes and odors, keeping water fresh AUTOMATIC REFILLS: Fountain automatically refills when connected to a standard garden hose (when used outdoors) OUTDOOR DESIGN: UV resistant plastic helps prevent fading when used outdoors; can be used indoors EASY-TO-CLEAN: Fountain is dishwasher safe PRODUCT SUPPORT: PetSafe brand's U.S.-based Customer Care experts will be glad to help; call Monday through Saturday at 1-800-845-3274 EXPERIENCE: PetSafe brand has been an industry leading U.S. manufacturer of pet behavior, containment and lifestyle products since 1991, helping millions of people and pets each year