That makes the Oxygen Concentrator easier to transfer from room to room. The small size of this concentrator makes it less obtrusive in the home and produces an oxygen output of 5 liters per minute (LPM). The 4L Home Oxygen Concentrator is feature-rich and comes at a low price, making it our best selling home oxygen machine. In fact, the 4L Oxygen Concentrator ranked early in a Comparison of Top Home Oxygen Concentrators. This oxygen concentrator is ideal for patients who lead an active lifestyle.
