Inogen One G4

The Inogen One 8 cell battery for the G4 gives you up to 4 hours of extra runtime: perfect for day trips or vacations.

Sporty backpack for the Inogen One G4.

Carry your G4 well protected on your back with this backpack with extra space fo...

Sporty backpack for the Inogen One G4. Carry your G4 well protected on your back with this backpack with extra space for accessories and your personal belongings

Gross particle filter for the Inogen One G4.

Needs to be cleaned weekly and replaced if necessary.

Carry Strap for Inogen One G4.

Replacement carry bag.

This bag is a replacement for the included bag with an Inogen One G4 oxygen concentrator.

The columns (or molecular sieves) are an important part of the concentrator, they filter out the nitrogen from the ambie...

The columns (or molecular sieves) are an important part of the concentrator, they filter out the nitrogen from the ambient air, leaving purified oxygen.

External battery charger for the Inogen One G4.

Perfect for charging batteries without the concentrator.

Small, smaller, smallest: the Inogen One G4.

With the new Inogen One G4, Inogen has set the new standard. This tiny oxy...

Small, smaller, smallest: the Inogen One G4. With the new Inogen One G4, Inogen has set the new standard. This tiny oxygen concentrator only weighs 1,5 kg and has 3 oxygen settings.

The Inogen One 4 cell battery for the Inogen One G4 gives you up to 2 hours of autonomy. The battery is so small and lig...

The Inogen One 4 cell battery for the Inogen One G4 gives you up to 2 hours of autonomy. The battery is so small and lightweight it will easily fit in your bag or purse.

Use this DC power cable to directly power your Inogen One G3, G4 or G5 using a 12 volt connection. You do not need a sep...

Use this DC power cable to directly power your Inogen One G3, G4 or G5 using a 12 volt connection. You do not need a separate power supply. You can even keep using the oxygen concentrator when the battery is charging.