The PVC chicken waterer has a capacity of 4 quarts, which is equivalent to one gallon. This size is large enough to provide your flock with plenty of water throughout the day and can even be used for multiple birds at once. The waterer also features an easy-to-fill top that makes it simple to keep your chickens hydrated without having to worry about refilling constantly. You'll never have to worry about running out of drinking water for your feathered friends again!