Philips SimplyGo is the only portable oxygen concentrator that offers a continuous flow mode, a pulse dose delivery mode, and a sleep mode, in a device weighing just 9.5 pounds. The SimplyGo POC can deliver up to 2 liters per minute of continuous flow oxygen therapy or up to 6 liters per minute of pulse dose oxygen.  This means that SimplyGo oxygen concentrator is powerful enough to serve as a stationary home oxygen concentrator and meet the portable oxygen needs of nearly all oxygen therapy users.