Empty blood sac (Fallout 4)

An empty blood sac is a junk item in Fallout 4.

Gameplay
Empty blood sacs (not to be confused with empty blood packs) are emptied versions of blood sacs, both of which consist of the eviscerated stomach of a bloodbug. The empty blood sac is a source of antiseptic, possibly as a result of the bloodbug's mutant biochemistry.

Crafting
The empty blood sac can be broken down into its individual components for use in crafting:

Locations
Empty blood sacs can sometimes be found on Super Mutants and in meat bags.