Collector's Item Inogen One G4 Replacement Columns/sieve Beds (1 Pair) Click To View [n1iTZwrP]

Column Pair for Inogen One G4 Portable Oxygen Concentrator

These replacement columns contain sieve beds that convert room air with lower oxygen levels into medical-grade oxygen. 

Designed specifically for the Inogen One G4 Oxygen Concentrator, these columns are easy to replace. Just follow the instructions in your G4 user manual – no special tools required.

Oxygen sieve beds naturally wear out over time. Your Inogen One G4 will alert you when it’s time to change columns with a “Replace Columns” low priority alert. When you see this notification, replace your columns within 30 days.