DESC: Simple, Safe. And proven to benefit your pet's health. The Drinkwell BIG-DOG Fountain is a great way to show your pets just how much you care. Our research shows that one of the best ways to improve your pet's health is to get them to drink more water. And the best way to do that is with a Drinkwell Fountain. By using a free-falling stream of water, the BIG-DOG Fountain continually aerates your pet's water with healthful oxygen. A charcoal filter also removes bad tastes and odors, giving your pet the best possible - and most appealing - way to stay hydrated! Holds over 2 gallons and has a replaceable charcoal filter. Features big 5" bowl walls to keep water in the bowl and rubber feet to prevent sliding. * Height of drinking Area 4 3/4" * Width of drinking area 11" * Drinking area from front to back 9" * Overall height with bottle attached 14 1/2"