What's Included
1 × Pair of Inogen OEM Replacement Columns (Fully assembled and ready to install)

• OEM replacement column pair for the Inogen^® Rove 4™ 

• Helps maintain oxygen purity and device performance
• Straightforward replacement process, requiring no tools
• Typical replacement interval: Inogen recommends replacing the columns approximately every 12 months
• Your device will display a “Replace Columns” alert when it’s 
time to change them