Livingstone Oxygen Concentrator is suitable for clinical and domestic use where higher concentration of oxygen is required by individual for better health outcome and well-being. Flow Range: 0.5 – 5L/Min, Oxygen Concentration: 95.5% – 87%. Maximum Outlet Pressure, 40 – 70kPa, Sound Level: 48 dB(A), Input Power: 220-320VA, Minimum Operating Time: 30 Minutes, Dimension: 48.5 x 34 x 60cm, Weight: 17.5kgs.