Pioneer Pet SmartCat Stainless Big Max Pet Fountain 128 OZ With 7 Filters Stainless steel fountain holds one gallon of water for one or multiple pets Replaceable charcoal filter for clean and pure, healthy water Dishwasher safe, stainless steel construction allows for easy cleaning Circulating drinking water is naturally appealing to your pet Using stainless steel bowls help to protect your pets from bacterial infection