Catit Fresh & Clear Stainless Steel Top Drinking Fountain, 64 fl. oz. 64 fluid ounce Stainless Steel drinking fountain Stainless steel rated # 1 by veterinarians as most hygienic for pet dishes Provides a continuous supply of fresh and filtered water Re-circulating system- Cools and aerates water, inhibits bacteria growth One Premium replaceable carbon filter included (replacement filters sold separately)