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G4 Systems & Accessories

Introducing the next innovation to portable oxygen delivery: the Inogen One G4, capable of full 24/7 oxygen delivery in an unbelievably small package! Offering 1-3 flow settings, the Inogen One G4 is one of the smallest, lightest and quietest units available to the oxygen user today.

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Inogen One G4 System

INOGEN ONE G4 System

3-Year Warranty System

$2,495

System Includes:

  • One single battery
  • Concentrator
  • Standard 3-year warranty
  • AC/DC power supplies
  • Carry bag, user manual
  • Meets FAA requirements
  • Intelligent Delivery Technology®
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Compare to G3 and G2 Systems  

Additional Packages for the Inogen One G4 System

FREEDOM PACKAGE 1

$3,495

System Includes:

  • Three Single Batteries
  • Concentrator
  • Lifetime Warranty
  • AC/DC power supplies
  • Carry Bag, User Manual
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FREEDOM PACKAGE 2

$3,495

System Includes:

  • One Single Battery
  • One Double Battery
  • Concentrator
  • Lifetime Warranty
  • AC/DC power supplies
  • Carry Bag, User Manual
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FREEDOM PACKAGE 3

$3,765

System Includes:

  • Two Double Batteries
  • Concentrator
  • Lifetime Warranty
  • AC/DC power supplies
  • Carry Bag, User Manual
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G4 Accessories

From backpacks to backup batteries, find the gear you need to carry and maintain your oxygen concentrator with greater comfort and peace of mind.

G4 Double Battery

$495

Inogen One G4 Double Battery
G4 Double Battery

$495

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G4 Single Battery

$325

Inogen One G4 Single Battery
G4 Single Battery

$325

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G4 Replacement Column Pair

$99

Inogen One G4 Replacement Columns
G4 Replacement Column Pair

$99

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External Battery Charger (G4)

$275

Inogen One G4 Battery Charger
External Battery Charger (G4)

$275

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AC Power Supply (G4)

$75

Inogen One G4 AC Power Supply
AC Power Supply (G4)

$75

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Inogen One G4 Particle Filter

$11.95

Inogen One G4 Replacement Particle Filter
Inogen One G4 Particle Filter

$11.95

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G4 Carry Bag

$24.95

Inogen One G4 Carry Bag Without Straps
G4 Carry Bag

$24.95

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Carry Strap (G4)

$13.95

Inogen One G4 Carry Strap
Carry Strap (G4)

$13.95

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DC Power Cable

$65

Inogen One G3 and G4 DC Power Cable
DC Power Cable

$65

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G4 Backpack

$100

Inogen One G4 Backpack
G4 Backpack

$100

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