Pneumatic Conserver can deliver pulse-dose oxygen with settings 1-6 and delivers continuous-flow at 2LPM or 4LPM. Senses a breath and delivers oxygen in the first half of the inspiratory cycle. The Bonsai is pneumatic. It's powered by cylinder pressure. No batteries to replace. Operationally, the BONSAI VELOCITY conserver can greatly increase efficiency in the delivery of oxygen, maximizing the beneficial effects and cutting down oxygen waste.

• No batteries to replace

• Senses a breath/delivers oxygen in the first half of the inspiratory cycle

• Delivers up to a 6:1 savings ratio from 14-40 breaths per minute

• Operating pressure range: 200-3000 PSI

• Lightweight and quiet operation

• Compact design

• Easy-to-operate single selector knob