PetSafe Drinkwell® ½ Gallon Pet FountainA fountain that's designed with your cat's whiskers in mind Your cats personality is unique. She might confidently try new things, or maybe shes a little on the cautious side. No matter her personality, the 1 2 Gallon Pet Fountain lets you customize the flow of the free falling water stream, so shell feel comfortable drinking from her new fountain. With the 1 2 Gallon Pet Fountain, your cat can drink from the free falling stream or the bowl,giving her