Owgel brand German technology 5 ltrs 90+% ready stock available same day despatch contact for 5 L Oxygen Concentrator with Live Oxygen Purity Check Display On Screen Intelligence Alarm : Low Pressure; Low Concentration Power Outage Input Power 350VA | Dimension 300mmX260mmX520mm Noise level is less than 60dB | Output Pressure 30-60Kpa | Oxygen Output 0-5L/min Model Owgels 5 L (oz-5-01TWO) is designed in accordance with standard of Medical Home usage appliances, it supplies a high concentration of . Product details are Live Purity Check Display On Screen, Flow Rate is 1 to 5L per min adjustable, Concentration is > 90%, Pressure is 30-60KPa, Operating Noise is less than equal to 50dB, Intelligence 3 Alarm Low pressure, Low concentration and Power outage, LED Light Display