Petco Automatic Flow Dog Waterer in SilverPetco Automatic Flow Dog Waterer in Silver provides a continuous supply of fresh water even when you are not at home. Strong plastic base keeps the waterer in place so you don't have to worry about tipping or spilling. Automatically refills the reservoir bowl without overflowing. No more empty water bowls or thirsty pets. Sleek compact design is great for smaller spaces.