The PetSafe Healthy Pet Water Station will revolutionize your pet's drinking water and your home environment. Your pet gets fresh water, whenever she needs it, served in a stainless steel bowl. It is the first gravity water system with a removable stainless steel bowl. Easy to keep clean, dishwasher safe. Lock-in place reservoir and flow-control valve to prevent spills. Handle on reservoir for carrying convenience. Optional purifying filter, sold separately.