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 which is the #1 material veterinarians recommend for health and cleanliness. A flow control valve fills the bowl as your pet drinks the water, assuring bottled water freshness. For an even happier pet, use the optional Healthy Pet Water Filter?. It removes sediments and odor for cleaner, great-tasting water. Fresh water encourages pets to drink even more. A better hydrated pet is a healthier pet. The reservoir is made of BPA Free (Bisphenol A) durable plastic. It locks in place to prevent knock over and spills. Features: Removable, stainless steel bowl- #1 material recommended by vets. Easy to keep clean, dishwasher safe. Lock-in place reservoir and flow-control valve to prevent spills. Optional purifying filter, sold separately. 10.3" x 15.8" x 19" (26.2 cm x 40 cm x 48.3 cm). Indoor use. Sizes:PFD17-11854: 1/2 gallon. PFD17-11855: 1 gallon. PFD17-11856: 2.5 gallons.