Drive Medical CHAD Evolution Electronic Oxygen Conserver (0)

Description

The Evolution delivers a uniform oxygen pulse which can range from 14 breaths per minute to 40, supporting a wide range of needs and activity levels. The Evolution Electronic Oxygen Conserver senses a breath and delivers oxygen only in the first half of the inspiratory cycle, resulting in no wasted oxygen while delivering an effective oxygen dose. In addition, the Evolution has a 5:1 savings ratio and liter flow settings between 1 and 7 LPM, providing a high level of conservation while offering versatile liter flow options.An auto shut-off feature conserves the battery life.It fits into most carry bags and has a minimum 2 year battery life with 2 AA batteries (with an average of 4 hours of usage per day).