Portable Oxygen Concentrator is an electrically operated small machine unit which uses the molecular sieve to filter in O2 (21-23% pure) from the air into the machine, concentrates the O2 and deliver the Oxygenated air (up to 92% pure) for human inhale through nasal canola at a certain flow rate (1/3/5 Litter per minute).
In other words, this machine is a small / mini Pure Oxygen Generator unit for home and medical use.
