2BX-9 : Two-Place Basic System with Oxymizers
Aluminum high pressure refillable cylinder, delivered empty 
255 liters/9 cu. ft. - 4.38" x 10.7" - weighs 3.6 lbs.
CGA-540 Low profile valve with contents gauge and shutoff
Adjustable 12 position regulator 0 to 8 LPM, all brass interior
Splitter with connecting hose
2 Oxymizers
2 Standard oxygen masks
Cylinder duration at 10,000 ft: 8 hours w/Oxymizers @ .5 lpm