Fresh Flow Purifying Pet Fountain encourages your pet to drink from its gently flowing stream of fresh, cool water.Veterinarian and trainer recommended.Silent running submersible pump.Translucent 50 oz. reservoir automatically adds water as needed.Adds oxygen and cools naturally.Filters water and reduces bacteria.Replaceable charcoal filter removes contaminants.On/off switch with low voltage system for pet safety.Flow control lever.Convenient handle.Ramp reduces splashing and quiets running water.Non-skid rubber feet.Made of easy to clean plastic and stainless steel.Minimal assembly required.Includes two replaceable charcoal filters.