Inogen One G5 Sieve Columns
Manufacturer Suggested Retail Price: $144.00
This includes one pair of sieve columns for the Inogen One G5. Sieve columns contain the material that converts normal air to highly concentrated oxygen. These columns wear down after prolonged use and need to be replaced within 30 days when the unit gives the alert “Replace Columns.” You can expect the unit to require sieve column replacement about every 18 to 24 months.