PetSafe Drinkwell Mini Dog and Cat Water Fountain, 40 oz. WATER CAPACITY: 40 oz. water capacity is great for cats and small dogs 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 ADJUSTABLE STREAM: The pumps adjustable flow allows you to customize the water flow for your pet EASY-TO-CLEAN: Fountain is BPA-free and top-shelf 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 40 ounce water capacity is great for small dogs and cats Free-Falling Stream entices pets to drink more water Includes replaceable carbon water filter that removes bad tastes and odors, keeping water fresh Adjustable flow control knob allows you to customize the water flow Helps prevent urinary and kidney diseases in pets through increased hydration BPA Free and top-shelf dishwasher safe Call, chat or email with our expert US-based customer care specialists six days a week; They are waiting to assist you and your pet with your product needs PetSafe brand has been an industry leading US manufacturer of pet behavior, containment and lifestyle products since 1991, helping millions of people and pets each year