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G3 replacment colums (1-5 settings)
Inogen one G3 replacement columns
You will be refunded $10 on each pair of columns sent in.
When to replace your columns
Apex Oxygen is the only source for the most advanced columns for your Inogen G3. Our technology allows for columns that have a higher oxygen output and last longer, which keeps you active and lowers your cost. These are in stock and feature free shipping and 3 day delivery.
If you have been using your current columns for more than 2 years, they should be changed.
These are for your Inogen one G3 machine with a setting of 1-5 part number RP-321. These columns are built(repoured) with the very best materials for improved performance. All materials used in our columns are made in the USA. All tubes are hand built in a lab and tested to a minimum of 94-95% oxygen content. Each column pair is tested for performance and ships to you fast.
With each order we will send out a pre-paid return label and will refund you $10 for each pair of used tubes returned.
We accept PAYPAL, please ask if you prefer this payment method.
Columns are rebuilt with the best materials available for the best performance. We replace the following items with brand new never used, filters, zeolite, aluminum and 0-rings. This is a direct replacement for Inogen part number RP-321 and will be a direct fit to your Inogen one G3 (1-5) setting portable machine.
Inogen One G3 Replacement Columns should be replaced every 12 to 18 months to boost the life of the G3 unit and quality of the oxygen.
In certain conditions like dust, smoke or high hummidity, you might need to replace them sooner
Inogen One G3 will give an alert as to when the
Sieve Replacement Columns
need to be replaced
Low purity alert will read: "O2 Service Soon"
30 days are given to replace the columns before the concentrator starts to fail to function properly
No maintenance man need to be called to replace the columns
No special tools or training required
Replacing the columns is as easy as replacing batteries, just watch our video.
30 days prior alert gives plenty of time to order the
Replacement Column Pair
G3 replacment colums (1-4 settings)
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