- 3.0 cubic feet of air.
 - The tank has an anodized black finish.
 - You can easily refill from your own SCUBA tank using the refill adaptor provided (patented).
 - It's simple to attach to your BC with the included holster and safety leash.
 - Small, free-floating, and buoyant to a degree close to neutral.
 - With this breath-on-demand regulator, there are no confusing instructions.
 - Miniature SCUBA system with complete redundancy.
 - It's easy than an octopus and faster than buddy breathing.
 
