Four bottles can be found scattered throughout the Boston Airport ruins - Two of them are right next to each other in the lowest room of the ruins.Anti freeze bottles can be found around the Commonwealth and are sometimes sold by junk vendors.It can also be used at a cooking station to produce mirelurk jerky. The anti freeze bottle can also be used as a component to produce berserk syringe, Yellow Belly syringe, Berry Mentats, reactor coolant (following the completion of the main quest with the Brotherhood of Steel) and indirectly, Fury at a chemistry station. The anti freeze bottle can be broken down into its individual components for use in crafting.
It can be used in crafting food, chems, syringer ammo, and reactor coolant, or it can be used as a junk item.
A pre- War red plastic bottle that contains antifreeze.