Inogen One G4 Replacement Columns OXYGO All come with premium headgear

All come with premium headgear that features EZ Peel tabs and ball-and-socket clips for four way adjustment

Lightweight design has large stable legs with soft non-slip feet

it's portable

Continuous Dose Unit - Approx 10 lbs with battery life between 1-3 hours depending on setting

no worries - just you or your loved one enjoying their mobility and freedom

Inogen One G4 Replacement Columns OXYGO All come with premium headgearLove your Inogen G4 Portable Concentrator? Then make sure you keep it working at optimal levels by replacing the sieve beds on a regular basis. These removable Replacment Columns are a quick and simple way to service your Inogen One G4 without having to send in the product for repair. Sold and used as a pair, the columns contain the sieve beds that convert normal room air into a portable supply a high concentration oxygen. Like all working parts,