Submersible Systems Spare Air self-contained redundant air supply gives you the extra margin of safety you need. Spare Air system includes 3.0 cu. ft. cylinder with attached regulator. Spare Air package (shown, top) includes Spare Air plus safety leash, holster and yoke style adapter to refill your Spare Air from your scuba tank. Nitrox version of Spare Air only or Spare Air package also available.
