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    Inogen One G4 Portable Oxygen Concentrator (Front View)
Inogen One G4 Replacement Particle Filter

Inogen One G4 Particle Filter

$14

The particle filter is designed to filter out large particles with ≥90% efficiency so that the air you breathe is as clean as the air around you.  Wash the particle filters weekly (more often in very dusty environments) to help keep the concentrator working properly.

Inogen recommends replacing the filter when it becomes misshapen or when the screen is damaged.

Additional Accessories

External Battery Charger (G4)

$342

Inogen One G4 Battery Charger

External Battery Charger (G4)

$342

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G4 Single Battery

$407

Inogen One G4 Single Battery

G4 Single Battery

$407

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G4 Double Battery

$618

Inogen One G4 Double Battery

G4 Double Battery

$618

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