Responsive Respiratory Oxygen Cylinder E Tank - Gently used Sport Double Depth Shoes The dual interface design securely

The dual interface design securely seals around both the nose and the mouth

Unique rotating ball and socket swivel for active sleepers

LED Visual Power Indicator

21 (room air) to 1

Pulse Settings: 1

Responsive Respiratory Oxygen Cylinder E Tank - Gently used Sport Double Depth Shoes The dual interface design securelyPerfect choice for anyone who needs to be able to transport a significant oxygen supply Brushed Aluminum Finish with clear coat protective finish 25 40% lighter than steel Lower transportation cost Hydrostatic test Capacity: 684L Weight: 8. 0 lbs Fill pressure to 2000 psi CGA 870 (unless CGA 540 option is selected on select models) These are gently used tanks not new Comes with a 90 day warranty All cylinders ship empty