The FAA Approved Focus Portable Oxygen Concentrator is extremely mobile weighing just 1.75 pounds!
The Focus portable oxygen machine is a pulse only device that can deliver 2 liters per minute of oxygen, on demand. The Focus POC is simple to use and virtually maintenance free. The unit can be powered by an A/C electrical power cord in the home or office, a D/C power cord while in a car, boat or recreational vehicle, or you can simply operate the device on a long lasting external micro-battery.
The Focus oxygen concentrator comes well equipped with Lithium-Ion micro-batteries giving you up to 3 hours of battery life in the basic package.