Regarding scuba diving, having a safe backup air supply can be the difference between life and death. The Spare Air Submersible System is a separate air supply that allows self-rescue in an emergency out-of-air situation. Submersible System can be an invaluable tool for divers, giving them a significant advantage over an alternate air source in an emergency.
This system has many advantages over traditional alternate air sources, including the ability to self-rescue in an out-of-air situation, with a 3000 PSI (200 bar), 3.0 cu. Ft. (85 liters) tank, this system provides ample air to get you to the surface in an emergency. With the Spare Air Submersible System, divers can swim to their partners and get their attention, even if they are taking several breaths of air. This system can literally be a lifeline for divers in an emergency and is an essential piece of equipment for any serious scuba diver.