Continuous Fresh Water Flow for Healthy Hydration: Encourage your cat to drink more with a flowing stream of filtered water—perfect for picky drinkers. This cat water fountain promotes better hydration and overall wellness. Advanced 5-Stage Filtration for Clean, Pure Water: Equipped with a multi-layer filtration system that removes debris, odors, and impurities - ensuring every sip is as fresh and clean as possible for your feline friend. Large 2L Capacity Reduces Frequent Refills: This pet water fountain holds up to 2 liters (67 oz), minimizing the need for constant refills and making it ideal for busy pet parents and multi-cat households. USB Powered for Reliable, Eco-Friendly Operation: Forget about batteries - this cat fountain runs quietly and efficiently via USB power, offering consistent performance and easy setup in any room of your home (power adapter not included). Easy to Disassemble, Clean, and Reassemble: Designed for hassle-free maintenance, all components of the Catstages Purrfect Rain Fountain are easy to take apart, clean, and reassemble - keeping your pet’s fountain hygienic with minimal effort.