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Long-lasting Battery Life: Enjoy extended periods of oxygen therapy without the worry of frequent recharging
Accuracy: +/- 0
and clear refill markings make daily use simpler and more reliable
But it offers so much more than that
Inogen One® G4® Replacement Column Pair OTHER Long-lasting Battery Life: Enjoy extendedThe removable sieve columns for the Inogen One G4 contain the sieve filters that separate inert gases from room air and concentrate it into medical grade oxygen. Replace them every 12 to 18 months as a general rule to ensure your machine is producing the correct concentration of oxygen. Compatibility Designed specifically for the Inogen One G4 portable oxygen concentrator. Not interchangeable with G5, At Home, or other Inogen models each unit has