Spare Air System includes tank & regulator only.

Spare Air Package includes tank, regulator & accessories.

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. Nitrox-compatible cylinder with attached regulator. Spare Air Package includes 3.0cf Nitrox-compatible Spare Air plus safety leash, holster and yoke style adapter to refill your Spare Air from your scuba tank.