Replacement Columns for Inogen One G4 Oxygen Concentrator

The Inogen One G4 Replacement Column Pair is the ideal oxygen accessory for those seeking longevity, customer support, and ease of use. This product offers two columns for added storage, and comes with step-by-step instructions that make it simple to use. Plus, the Inogen One G4 Replacement Column Pair provides a quick and easy way to service the Inogen One G4 without having to send the product in for repair, giving users peace of mind.