-Automatic animal waterer bowl,which obviously save more than 30% of the water, reduce the sewage , and keep water clean. It suitable for horse, cow sheep, pig,dogs, chicken drinking water. -Heavy duty stainless steel: Made of 304 stainless steel, no rust, anti deformation, clean and sanitary. Smooth edge polished to avoid traumatic infection the caused by scratching. -Automatic Design : The use of float water level floating principle control the inlet and outlet water switch, to achieve a constant water level effect. And the filter at the entrance of water fountain to ensure clean water. It can keeps enough water and always clean water.