CHAD Bonsai Velocity Pneumatic Oxygen Conserver

Delivers a uniform oxygen pulse at increments: 1 2 3 4 5 and 6.
Two continuous flow (CF) settings preset @ 2 LPM and 4 LPM
Delivers up to a 6:1 savings ratio from 14-40 breaths per minute.
Senses a breath/delivers oxygen in the first half of the inspiratory cycle.
Operating pressure range: 200-3000 PSI
Light weight and quiet operation
Easy to operate single selector knob.
Compact design fits easily in virtually any oxygen carry bag