Made of stainless steel so it will never rust, the Automatic Dog Waterer provides a constant supply of fresh clean water and eliminates the hassles of manually watering your dogs. Once installed this waterer is easy to clean by simply turning the water off, sliding the connection plate 1, and letting the bowl drop. Once clear clean the bowl and then reinstall. The Automatic Dog Waterer can be plumbed into an existing water line or hooked up to a water hose.