Now part of the ZEUS family, the Zeus Cascade Drinking Fountain with Triple Action Filtration responds to your pet's need for a continuous supply of fresh and clean drinking water. The re-circulating water flow eliminates stale, stagnant water to provide fresh, filtered water with a multitude of inherent health benefits. The fountain is elevated to provide a better drinking position-ideal for large breeds, older dogs or dogs with arthritis, muscle and joint problems. Encouraging your pet to drink more water helps ensure proper kidney function. Key Features : *Elevated Design for a better drinking position. *Triple Action Filtration: softens tap water, collect debris, helps absorb odors (filter included, replacement filters available sold separately 143619) *Re-circulating Flow eliminates stale, stagnant water *Large Surface Area for Greater Oxygenation *BPA-Free *Also suitable for cats