Inogen One G4 Sieve Beds - Columns Pair

The Inogen One G4 Column Set are replacement sieve beds for the Inogen G4 mobile concentrator. The G4 Replacement Columns contain sieve beds that convert air with low oxygen levels into medical grade oxygen. Two columns are included with each order. Simple to follow instructions enable you to easily switch out the column pair without tools and without having to send the unit into a repair center. NOTE: The RP-406 replacement columns are ONLY compatible with the G4.