1.1 cu ft Spare Air Xtreme Watersport Unit

1.1 ft3 Spare Air Xtreme Watersport Unit   1.1 cubic feet of air, about 20 normal breaths Small size stays out of the way Simple mount easy to reach for a quick breath Enough air to help remain calm while resolving many short, out of breath emergency situations. Breathe on demand regulator, no complicated instructions Refill from any filled SCUBA tank.     Maximum Capacity   1.1 cu ft / 31.15 liters     Length   7.25" / 18.42 cm     Diameter   2.25" / 5.71 cm     Maximum Pressure   3000 psi / 200 bar     Weight (full)   1.23 lb. / .580 kg     Surface Breaths*   20     Water Volume   9.46 cu in / .155 liters   Suggested Retail Price   $259.00 *Based on 1.6 liters per breath