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
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