Cat Drinking Fountain with Filter, Automatic Pet Water Fountain for Cats and Small Dogs. 2.5L Water Capacity: It can hold 2.5 liters of water, and a constant water flow, this fountain will keep your cat or dog happy and hydrated. Flow Water: Water circularly flows, more interesting to your pet than still water falling into an ordinary water bowl, attracting them to drink more. Triple Filtration: The cat water fountain has a triple filtration system with one cotton, removes excess impurities, debris, and odors from the water. Upgraded Pump: With a built-in quiet water pump, low power consumption, energy saving. We suggest to clean the pump at least every two weeks. Material: Made of PP plastic, durable and easy to clean, which also inhibit germs growth, provides your cat with fresh-flowing filtered water.