5 Liters Oxygen Generator -Model EZFlo 5- VIVO Medical Italy Built-in SPO2 (Pulse Oximeter) for Patient Oxygen Saturation reading on LCD Screen Multi Purpose Oxygen Concentrator (Generator) For both homecare and clinical use PSA Technology Oxygen Flow: 0-5L/min Oxygen Concentration: 93% - 96% ( + 3% ) Outlet Pressure: 20kPa-50kPa Treatment of Acute and Chronic disorders