This startling and remarkable product is just perfect for Non-Delivery Oxygen Model When paired with the EasyFlow5 concentrator, The EasyPulse Portable Oxygen Concentrator (POC) is the perfect product to help you reduce costly cylinder deliveries and simultaneously allow for your patients. We have meshed the better of 2 products together; the most used oxygen conserver on the market with an oxygen concentrator to produce this wonderful and highly useful EasyPulse POC. Easy to Use, This EasyPulse Portable Oxygen Concentrator has an simple user interface. Just like the stationary concentrator patients use at home, one knob easily sets the oxygen flow. Unlike many other POC's, there are no baffling electronic controls. For patients comfort, an easy to read battery level indicator and an alarm LED are also included. Compact and Lightweight, This EasyPulse POC is the lightest 5 Liter portable concentrator on the market, weighing only 6.8 pounds in a package that is only 10.1In high and 6.5In wide.