A 4L poultry water drinker is a type of waterer built exclusively for poultry, including chickens, ducks, and other birds. The "4L" in the name refers to the drinker's capacity of approximately 4 liters of water. These drinkers are critical for giving a consistent supply of clean, fresh water to poultry, maintaining their health and well-being. These drinkers are critical for giving a consistent supply of clean, fresh water to poultry, maintaining their health and well-being. The design of a 4L poultry water drinker typically includes a reservoir or container that holds the water, a base or tray where the birds can access the water, and a mechanism to control the flow of water to prevent spillage and contamination.