This 2-hole energy-free waterer bowl provides a sturdy drinking environment for your livestock to access fresh water. The 100 percent polyethylene construction makes the stock waterer optimally durable and weather-resistant. Polyurethane insulation prevents water from both freezing and warming. Rounded corners ensure livestock safety and a patented door closure system prevents contamination from birds and insects. This waterer bowl has an ample 22 gallon (83 L) capacity.