Visual Fountain: Our cat fountain has a water level window and a built-in blue LED light, we can see the water level at all times. This way we don’t have to open the chat source each time to check if we need to add water. Healthy Water Circulation & Filtration: The water dispenser features a circulatory system with 4 changing filters to clean water and remove hair, dirt and food debris, giving your pets access to healthy and hygienic water throughout the day. 30dB Water Pump - With current draw as low as 2W, our pet water dispenser pump is super quiet and unobtrusive. It is energy efficient and environmentally friendly. Just enjoy the sound of water pouring with all your heart NOTE: try to fully open and clean the inside of the pump every 2 weeks to prevent contamination from clogging. 【2.4L Large Capacity Cat Fountain】2.4L capacity pet fountain, no need to add water frequently. Your beloved pets have plenty of water to drink, whether they’re working or off the job. work.