Oxygen recovery therapy The unit is almost perfect except for the oxygen concentration levels at higher liter/minutes decrease significantly. So anything above 3 liter/minute reduces total oxygen per breath cycle. But at this price it’s great.

So far so good So far so good. Attached to BPAP hose. Came quick. Easy to set up and use. Seems to be well made. I just use the outlet for oxygen at night and don’t use the timer. Set at 88 and mid range .

The instructions were a bit poorly… The instructions were a bit poorly written, however the unit is easy to use and let my expectations

You get an extra charge because it comes from Canada Machine works, well packed, you do have an extra charge that I did not know because it is charged in Canada. They should also include a longer cord.

Damaged box marked :Fragile" The box, marked "Fragile", was so damaged that it has been taped to keep the contents inside.