Automatic Dog Waterer, Horse, Cattle Waterer, Auto Livestock Water BowlHigh Quality Material: Automatic Cow Drinking Water Bowl Made of 304 stainless steel, durable, no rust, no deformation, clean and sanitary. The edge is polished smoothly Effectively preventing the metal drinking bowl cut the snout. Automatic Water Injection: The float valve use of float water level floating principal ple control the inlet and outlet water switch, to achieve a constant water level effeckeepingeps enough wat, er and always clean water.