This style of Milk Bar Calf Self Feeder has 10 compartments each holding a half-gallon of milk replacer which makes it easy to see that each calf is getting the proper amount. The exclusive nipple design of the Milk Bar slows down gulping which prevents choking and also promotes salivation, which is essential for proper digestion and stomach development. Durable grey poly container hooks onto wire or one-by-four wood rail and the 10 gravity-flow nipples require no valves or tubes. Capacity is 2 quarts per compartment. Wt. 18 lbs.