Inogen One® G4® Replacement Column Pair OTHER has been manufacturing oxygen therapy

has been manufacturing oxygen therapy equipment for more than 50 years

Replace the cannula nozzle (snug

The pulse is delivered during the first third of your inhale

Use the included wrench to remove the cannula nozzle

or backpack

Inogen One® G4® Replacement Column Pair OTHER has been manufacturing oxygen therapyThe 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