Penn Plax Clear Springs Pet Water Fountain Pet parents know their animals need access to fresh water at all times Keep your cat or small dog hydrated with the Clear Springs Pet Fountain This water fountain for pets comes with a carbon filter cartridge to provide the freshest, cleanest water Its cascading fountain design provides free flowing, aerated water your cat or small dog won't be able to resist Measures 8.75 by 5 inches and has a 64 ounces capacity, making it the perfect fountain for your cat or small dog