Nidek Nuvo Lite Mark 5 Liter Oxygen Concentrator is advanced and innovative stationary oxygen concentrator. It is designed by using Rapid Pressure Swing Absorption (RPSA) technology, through which concentrator reaches to full purity in less than 3 minutes. It is lightweight and energy efficient and gives high output for intensive oxygen therapy. This oxygen concentrator has single knob controlled flow meter that allows users to control the oxygen flow and to select prescribed volume of oxygen.