This is a replacement Column Pair (two metal column sieve beds) for use with all Inogen One G3 Portable Oxygen Concentrators. Columns should be changed as needed – generally every 12-18 months.
This is a replacement Column Pair designed for use in all Inogen One G4 Portable Oxygen Concentrators.
Replacement Column Pair (Sieve Beds) for Inogen One G5 Oxygen Concentrators.
Two removable columns (metal tubes) on the FreeStyle® Comfort® Portable Oxygen Concentratorconvert normal air into a high concentration of oxygen.