AerTech atmospheric conversion regulator

The AerTech atmospheric conversion regulator was an enhancement fitted on the dorsal facial edges of the flight helmets used by the Rebel Alliance X-wing pilots.

Appearances

 * Star Wars Episode II: Attack of the Clones
 * Star Wars Episode III: Revenge of the Sith
 * Star Wars Episode IV: A New Hope
 * Star Wars Episode V: The Empire Strikes Back
 * Star Wars Episode VI: Return of the Jedi