Replacement columns for the Inogen Rove 4 portable oxygen concentrator. The columns filter nitrogen from the ambient air, allowing the concentrator to deliver concentrated oxygen to the user. Over time, the columns will need to be replaced. When it's time to replace the columns, the following icon will appear on the Rove 4 display (two arrows rotating clockwise):
Replace columns notification
You can easily replace the columns yourself. Instructions can be found in the user manual of the Inogen Rove 4. For optimal functioning of the columns, it's recommended to use your concentrator on a regular basis. The columns have a 1-year warranty.
