Pet Water Fountain Materials: The top water storage tray of the cat water fountain is made of food-grade 304 stainless steel. With a 120ml emergency storage capacity, it can provide water to your pet even without electricity. It also helps prevent black chin. BPA-free and dishwasher-safe. The transparent design of the water reservoir allows you to easily monitor the water level. Quiet Pet Water Dispenser: Our pet water fountains operate at less than 20dB (as successfully tested by professional labs). The water pump in this dispenser is ultra-quiet and energy-efficient. The tap-style discharge design and unique pumping method minimize the noise of running water. Triple Filtration System: Activated carbon removes unpleasant tastes and odors; ion-exchange resin softens tap water; The non-woven fabric filters out hair and impurities, keeping the water fresh through circulation. This automatic pet water fountain provides your pet with pure drinking water, helping them stay healthy. Tap Design: Pets love drinking tap water, and our water dispenser nozzles are designed with simulated taps to attract your pets' attention and encourage them to drink more often, which can help prevent urinary and kidney diseases. 2L Capacity: This stainless steel automatic cat water fountain has a 61 oz/1.8 L capacity, fully satisfying your pet's drinking needs throughout the day. You can sleep, travel, work, and go out without worry.