The lightweight and compact Evolution oxygen conserver delivers a uniform oxygen pulse in seven increments preset at 2 lpm.
- Sensor detects light and heavy exhalation
- Delivers a 5:1 savings ratio from 14-40 breaths per minute
- Minimum 2-year battery life (average 4 hours per day usage) utilizing 2 AA batteries
- Single-push button selects the equivalent lpm dosage settings