Make sure your dogs water supply is always clean and fresh. These replacement charcoal filters fit the Drinkwell Big Dog Fountain and removes impurities.Make sure your dogs water supply is always clean and fresh. These replacement charcoal filters fit the Drinkwell Big Dog Fountain and removes impurities. Per 3. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Food & Water Accessories.
