Portable Oxygen Concentrator NT-02 + Home Oxygen Concentrator 101W

Shipping Information：US STOCK: Ships From CaliforniaUPS  or FedEx Fast Shipping3-5 Business Days For US Address5-7 Business Days For Canada AddressWe Do Not Deliver To PO Box AddressesMeasuring changes in your blood oxygen saturation (click here to purchase an oximeter)NT-02 batteries have arrived. Click here to get extra batteries.Click to Watch the NT-02 VIDEO RESOURCE Comparison of NT-02/Inogen One G3/NT-01(Mobile users, please swipe the chart below left and right to view the comparison details) Model &Features Model NT-02 Inogen One G3 NT-01 Price $ 999   $ 2495  $ 549 Oxygen concentration  93%±3  90% - 3% /+ 6%  93%±3% Adjustable flow  1-5L  1-5L   1-5L Operation mode  Pulse flow+ Release oxygen every 3 seconds   Pulse flow  Pulse flow Low noise  ≤58db  ≤42db  ≤58db Weight 4.85 Pounds  4.9 Pounds  7.05 Pounds Intelligent control &display √ √ √ Timing function  √  □