Portable breathing units are devices that provide oxygen to its wearer and or filter CO2. They consist of a large tank, several hoses, and a face mask. The Daedalus was at one point equipped with 20 such units; In 2006, all of these units were used after the Daedalus' life support system failed following a battle with a Wraith Hive ship. (SGA: "No Man's Land")
Gallery[]
Several breathing units on board the Daedalus.