Is there a 15 Liter Per Minute (LPM) Oxygen Concentrator?

Scott Ridl posted this on Mar 18, 2016
No, there is not a 15 liter or 15 LPM oxygen concentrator. The highest liter flow currently available for either home or portable unit is 10 liters per minute. Please click the following link to view highest rated 10 liter flow oxygen concentrators.

Is there a 25 Liter Per Minute (LPM) Oxygen Concentrator?