The Inogen One G2 Portable Oxygen Concentrator is a pulse-dose portable oxygen system that comes standard with a 3-year manufacturer's warranty. A portable oxygen concentrator that is virtually silent. A lightweight (just 7 lbs) portable oxygen concentrator that you can take anywhere - down the street or across the globe in an airplane (approved for use on all US airlines!). A portable oxygen concentrator that can run on battery power(up to 8 hours with the optional 24-cell rechargeable battery). Get the Inogen One G2 portable oxygen machine from Ultranebs and get out of the house! We distribute more portable oxygen concentrators than anyone else in the entire USA! WE WILL BEAT ANY PUBLISHED PRICE ON A PORTABLE CONCENTRATOR BY AT LEAST $50! We've become #1 by offering our customers superior service, prompt delivery, and the best deals. Look at all the features below, then go to our Order Info Page to get your own! Never let oxygen keep you from being active or travelling again. (NOTE- The Inogen G2 is a "pulse-dose" system).

SILENT! The Inogen One G2 oxygen concentrator operates so quietly that you barely notice that it's turned on! At just 38db, it's the quietest portable oxygen concentrator available. Get a quiet night's sleep, then take it to your favorite restaurant, to the salon, even to church. It's that quiet! A single oxygen machine that you can take with you everywhere you want to go.

PORTABILITY! The Inogen One portable oxygen concentrator can operate everywhere. When at home, plug it into any wall outlet. In your car, just plug into the 12v (cigarette lighter) outlet with the included DC cord. Want to get out and go shopping? Just unplug from all cords and use battery power! The Inogen One will operate up to 5 hours on a single charge with the standard 12-cell battery. Take along extra batteries and spend as long as you want with absolutely no cords! No tanks, no liquid refills - freedom to do what you want, when you want, wherever you want!

SMALL AND LIGHT!  The Inogen One system weighs just 7 lbs with the 12-cell battery and comes with both a shoulder-strap carrying bag and a rolling cart. It stands only 9.5" tall, is 10" long and only 4" deep. The optional 24-cell rechargeable battery will provide up to 8 hours of power on a single charge (at a setting of 2).

HOME OR TRAVEL!  Finally, a single oxygen machine that does it all. The Inogen One G2 portable oxygen concentrator saves you money on electricity, using just 40 watts of power compared to a 'standard' home oxygen concentrator that uses hundreds of watts! When you want to travel, the Inogen One G2 is FAA-approved for use in airplanes! No more paying extra for the airline to provide your oxygen, no people waiting at the gate, no worries about 'layovers'. Walk right onto the plane with your own oxygen machine and have it with you when you land. You're in control again! (Each airline has their own rules, so be sure to ask in advance).

DURABLE!  The Inogen One G2 Portable Oxygen Concentrator System comes with a comprehensive 3-year manufacturer's warranty - giving you peace of mind in your purchasing decision! It has been designed to travel, so it can hold up to the toughest environments.

COMPLETE!  UltraNebs makes sure that you get everything in your complete system! Our Inogen One System includes a Salter Labs 'Quiet' cannula, 12-Cell Rechargeable Battery for 4 hours away from cords, AC Power Supply, Mobile (DC) DC Power Cords for your car, Rolling Cart, And Shoulder-Strap Carrying Bag..