Precision Medical EasyPulse Portable Oxygen Concentrator The EasyPulse Portable Oxygen Concentrator was carefully designed to give you independence and greater mobility. Whether shopping for groceries or going on vacation, the EasyPulse helps you get back the freedom to go where you want, when you want. Based on your doctor's prescribed oxygen flow, Precision Medical offers the EasyPulse in both 3 and 5 liter configurations. **POWERED ON AT TIME OF AUCTION** **LOT OF ONE**