Oxygen Smart

Life for people needing extra oxygen used to be more complicated, to say the least.  Today you have home oxygen units such as oxygen concentrators or oxygen tanks as well as portable oxygen units that are making life easier.
At the same time just a few years ago anyone dependent on supplemental oxygen had to check [...]

Oxygen concentrators are machines designed to provide oxygen therapy at higher concentrations than are available in the surrounding air.

They are stationary, electrical units that take in nitrogen from the air around you and provide a streaming flow of oxygen.
Before they became available the only options were either aluminum cylinders that store compressed oxygen, or liquid [...]

Oxygen concentrators are units that extract oxygen from the regular air and provide it to the patient.
The air we breathe is normally (at sea level) 21% oxygen. An oxygen concentrator removes the nitrogen in the surrounding air and proceed to deliver approximately 95.5% oxygen.
These are electrical units, that are normally used at home as they [...]