Features: [Useful]The cat water fountain can fascinate pets. Through the great oxygenation, provide fresh and healthy water for your beloved pets all day. [Activated Carbon Filter]The cat water dispenser includes a carbon water filter. It not only filters hair, impurities but also eliminates odor, softens hard water to improve the taste. [Large Capacity]Holds up to 2.5L water, good enough for most breeds to drink in 10 days. [Water Level Window]The cat water fountain with a transparent and visible groove as water level, which helps remind you to add water in time when there is little water. [Low Noise]The silent submersible pump makes it super quiet and shock reduction, ensuring there is no noise interference in your room.