The Premier Pet Fountain provides your pet with 60 ounces of fresh, filter water. The submersible pump circulates the water through two filtration systems: a foam filter, to remove dirt and hair, and an activated carbon filter, to remove bad taste and odor. Cleaning the fountain and replacing both filters at least once a month ensures the freshest water and a long-lasting fountain. The BPA-free plastic design comes apart for easy cleaning and it is top-shelf dishwasher safe. (excluding the pump.) This updated design continuously moves water to prevent bacteria growth, keeping the fountain cleaner than a standing water bowl, and encourages your pet to drink more. Your pet will have the option to drink from four free-falling streams or the shallow bowl. By drinking more, your cat or dog will stay properly hydrated, promoting a healthier lifestyle and happier pet.