Manna Pro 5 Gal. Double-Wall Galvanized Steel Poultry Drinker

5-Gallon Double Wall Poultry Drinker. Thanks to heavy-duty galvanized steel and double-wall construction, this 5 gallon poultry fountain provides a generous supply of cool water to promote intake for up to 80 chickens or game birds. Constant water level maintained in pan by vacuum, so no floats get stuck or replaced. Model features: visible locking device, roost prevention tip, inner tank has brass valve with rubber sealing washer for positive shutoff.