2BX-24 : Two-Place Basic System with Oxymizers 

Aluminum high pressure refillable cylinder with low profile CGA-540 valve with contents gauge and shutoff, delivered empty

680 liters/24 cu. ft. - 4.38" x 24.9" - weighs 7.4 lbs.

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: 22.6 hours w/Oxymizers @ .5 lpm