The new Petmate Infinity Automatic Purifying Cat Fountain Waterer is the next evolution of superior & reliable fountains, featuring an advanced water lift system that provides fresh, filtered water throughout the day. The re-circulating water flow & filter continually removes impurities while providing naturally cool & oxygenated water. This feature attracts pets to drink more in order to help promote their health & wellbeing. The water speed easily adjusts to your pets preference, whether it is a super quiet slow flow or a trickle-like fountain sound with a faster flow. Easy to clean & maintain in any living space, the Infinity Purifying Pet Fountain is sleek & modern in design to blend in with todays kitchen appliances.