3 gallon poultry nipple waterer for watering all types of poultry (including waterfowl) Recessed nipples (3) provide fresh water while keeping the reservoir clean Size: 15"H, 12.5"D Suited for 35 adult birds Can hang using included adjustable cord Use this 3 gallon poultry nipple waterer for watering all types of poultry (including waterfowl). It is fast becoming one of our favorites! Recessed nipples (3) provide fresh water while keeping the reservoir clean. Size: 15"H, 12.5"D. Suited for 35 adult birds. Can hang using included adjustable cord.