Visible water fountain: Our cat water fountain has a water level window and a built-in blue LED light, with which we can see the water level at any time. So that we don’t have to open the cat fountain every time to check whether we need to add water or not. Healthy water circulation and filtration: The water fountain is equipped with a circulation system which is equipped with a 4-piece replacement filter to clean the water and remove hair, dirt and food remains, so that your beloved pets receive a healthy and hygienic throughout the day. 4 water flow modes: Our cat water fountain has 4 water flow modes: floral waterfall, flower bubble, “T” type waterfall and soft fountain. Each mode meets the needs of different pets. Free-falling current and bright LED light attract your pets to drink more water than before 30dB Water Pump: The pump of our pet water fountain has a low current consumption of 2W, is extremely quiet and unobtrusive. It saves energy while being environmentally friendly.