The Current is an affordable way to provide your pet with a constant source of fresh, filtered water. The submersible pump constantly circulates the water through the bowl, keeping the water tasting fresh and appealing to pets. The BPA-free plastic fountain comes apart for easy cleaning and is dishwasher safe. Available in 40oz, 80oz or 120oz. Gentle flow of water is soothing for nervous pets Activated carbon filter removes bad tastes and odors Dishwasher safe excluding pump Made of BPA-free plastic Replacement filters sold separately: PAC00-15271.