Features: -This is a complete automatic chicken drinking water system. No manual watering is required. -It uses the principle of gravity, and the water will automatically fill the cup without overflowing. -Made of high-quality PP material, it is strong, wear-resistant, corrosion-resistant, not easy to age and has a long service life. -Easy to install, use a small size hole saw to make a hole on the top of the barrel, install the buoyancy water valve, use a large hole saw to open a hole on the bottom of the hub to connect the dispenser (please note that all cups should be level, not tilted, otherwise it will leak). -Suitable for ducks, geese, turkeys, birds, quails, pigeons, parrots etc. .