oxygen concentrator up to 70% discount on AmazonThe Oxygen Concentrator (portable oxygen machine) has a clear LED display and buttonsIts MRP is 64,995 which is a 71% discount on Amazon which is its price 18,999.Anion generating function can improve alveolar ventilation functionThis is low purity display with real time it has 93 percent purity on 5 ltr.5L MI flow range : 0.05 – 5L/min oxygen conentrator.Save my name, email, and website in this browser for the next time I comment.