For 30 years, Submersible Systems has been manufacturing, assembling, and selling life-saving breathing systems worldwide from our factory in Huntington Beach (Orange County), California. Submersible Systems manufacture the bestselling emergency breathing system in the world.

The HEED 3 is designed especially for the military and civilian aviation industry as an emergency egress device for short term out-of-air situations, like helicopter or vehicle evacuations after ditching in water.