High Quality Circulating Water: The cat fountain provides healthy circulating water for your pets. The high quality stainless steel top cover is easy to maintain and durable. Excessive scale buildup will cause the water pump to become blocked and unable to operate. For this reason, a black filter sponge is added to the water pump to reduce pollutants from entering the water pump. Fun and interesting : cute fountains encourage animals to drink more water . There are three fountain modes to choose from to meet your pets' different preferences. Flowing water fills the water with air, increases oxygen and freshness, and encourages animals to drink more water. Controllable lighting : the LED light of the water dispenser has a switch, you can turn it off when you don't want to use the LED light. If necessary, you can open it at any time. The pump is smartly quiet and runs smoothly. The water level and the light can be seen through the transparent windows. Quadruple flow of purified water: During the 360 degree water cycle, the water pump is equipped with 'a filter sponge, the waterer comes with two sheets of filter cotton, high-density microporous filter cotton, large-caliber coconut shell activated carbon, porous exchange resin which can filter effectively to remove pollutants, remove odors , make your pet healthier.