spare air black ce mark safety tank: smallest redundant SCUBA system available with enough air to get you to the surface in an out-of-air emergency. The patented SPARE AIR should be a standard piece of SCUBA diving equipment for the safety minded diver. Explore the wealth of information about our product and diving in general. Our goal is to convince you to save your own life in an out-of-air emergency.
The Helicopter Emergency Egress Device 3 (HEED 3) manufactured by Submersible Systems, Inc. is a compact, lightweight and reliable self contained breathing apparatus. The HEED 3 is designed to increase the survivability of military and commercial personnel in short-term out-of-air emergencies.