Want to let your pet drink healthy? Let our water fountain do the work! Go grab it and keep your beloved pets away from illness! Features: QUADRUPLE FILTRATION SYSTEM: With 2-pack water filter replacements composed of fiber&nylon, high-iodine purified coconut-shell activated carbon, and ion exchange resin, our water fountain can efficiently block large particles, pet hair, food residue, various microorganisms to keep the water fresh, and can remove bad odors to improve the taste of water. ADJUSTABLE WATER YIELD£ºThe water yield can be adjusted by toggling the handle of the water pump upwards/downwards. Different water-flow modes can attract pets to drink more. LED-LIGHT WATER-SUPPLY REMINDER: LED-light with a transparent water level window reminds you to refill the fountain in time. It lights up blue when the water-supply is normal while lights up red when in a water shortage. CONSIDERATE: 3L/100 oz large capacity guarantees sufficient water for pets. Ultra-quiet working water pump