The SimplyGo Portable Oxygen Concentrator has everything you need in 1 package. The SimplyGo is convenient, lightweight and optimized to accommodate many different needs. The SimplyGo is the only portable oxygen concentrator that weighs in at only 10 lbs! SimplyGo has more than twice the oxygen output of any portable oxygen concentrator weighing ten pounds or less. That means that SimplyGo is able to keep up with your portable oxygen needs today and tomorrow. This portable concentrator can offer you continuous flow up to 2 lpm or pulse dose delivery up to 6lpm. Never before has there been a portable concentrator of this level of quality that combines a high impact resistance design and long lasting compressor.