Replacement bottle for the Milk Bar Vitality Calf Bottle System which uses a unique chute design that ensures the Milk Bar Teat is positioned vertically so the calf suckles are the correct speed for healthy digestion. It is incredibly easy to install, and cuts time spent raising calves. Ships as a 5ct bottle system. System comes with a 3qt bottle but you can use a 2qt also. This is a 2qt Replacement Bottle only