Welcome to Apex Oxygen, our goal is to bring you the best performing replacement columns at the best price. We offer repoured replacement columns for your Inogen G3 oxygen concentrators. If you are looking to replace your worn out factory columns, we can provide an upgrade for  longer lasting oxygen without the high cost, on an exchange basis.  

                   Apex Oxygen will also buy your used Inogen G3 and G4 columns in any quantity. We have Quantity commercial programs for DME, HME providers.  Please contact us for more information.

                   We are located in Houston, Texas and serve USA and Canadian customers only at this time.

                

                   




G3 replacment colums (1-4 settings) G3 replacment colums (1-4 settings)
Our Price: $65.00
refundable exchange fee: $12.00
Apex Oxygen- free shipping replacement inogen one G3 for the best performance of your G3 G3 replacment colums (1-5 settings)
Our Price: $70.00
refundable exchange fee: $10.00