BX-9 : One-place Basic Aviation Oxygen System with Oxymizer
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 15 LPM with all brass interior
Oxymizer conserving cannula
Cylinder duration at 10,000 ft: 16 hours w/Oxymizer, regulator set @ .25 lpm