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Inogen One, G3HF, Sieve Beds (Column Pair) Service Part - My Relief Pain
Inogen One, G3HF, Sieve Beds (Column Pair) Service Part - My Relief Pain

Inogen One, G3HF, Sieve Beds (Column Pair) RP-321

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Estimated Arrival: Between Feb 11 and Feb 13. *ETA to the USA Only

Why Buy From My Relief Pain

Inogen One G3HF, Replacement Columns - RP-321 - For Inogen One G3 with 1-5 Setting,

Inogen One G3 Replacement Columns are used for Inogen One G3 devices.

They encompass sieve beds to convert normal air into medical-grade oxygen.

The pure oxygen filtered by Sieve Replacement Columns is vital for patients with COPD or other respiratory diseases.

They are recommended to be replaced every 12 to 18 months for the good working of the G3 unit.

Low oxygen purity alert is issued 30-day before the Replacement Column Pair needs to be changed and indicated by "O2 Service Soon" on the LCD screen display.

Why choose Inogen One G3 Replacement Parts?FAA ApprovedCost efficient, clear step-by-step instructions easy to replace

Features Of Inogen One G3 Replacement Columns

  • Cater a quick and easy way to service to minimize the need for repair and maintenance
  • Oxygen concentrator sieve beds filter out the nitrogen from the air coming into the concentrator.
  • Air gets concentrated into oxygen after passing through the second filter.
  • Oxygen coming through the nasal cannula will be less pure and will not be removed enough nitrogen if the sieve beds are not functioning properly. 
  • Malfunctioning sieve beds will not give the oxygen dosage needed to treat COPD or other diseases that affect the lungs.
  • Being easy to replace, you can complete the column replacement process of these columns in minutes without using any special tools.
  • Clear step-by-step instructions enable easy switching out of the column pair without tools.
  • Dimensions: 2"W x 2"L x 5"H
  • Cost-efficient

When to Replace Inogen One G3 Columns?

  • Inogen One G3 Replacement Columns are suggested to be replaced every 12 to 18 months to boost the life of the G3 unit.
  • In certain conditions like dust or smoke, 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 needs to be called to replace the columns.
  • No special tools or training required.
  • Replacing the columns is as easy as replacing batteries
  • 30 days prior alert gives plenty of time to order the Replacement Column Pair online
  • One should be able to replace the columns long before 30 days are up


How To Replace Inogen One G3 Columns?

Removing Sieve Replacement Columns:

  1. Press the power button to turn off the Inogen One G3 concentrator.
  2. Remove the battery from the device.
  3. Turn Inogen One G3 in such a way that it is standing in the upside-down position where the bottom of the Inogen One G3 is facing up, and the display panel is facing down.
  4. There are two Inogen One G3 Replacement Columns on the device, and one is located on each side of the device.
  5. Remove Replacement Column Pair by pressing the latch button with thumb or finger.
  6. While holding the button open and gripping the exposed aluminum surface with another hand, slide the column out.
  7. Obliterate the column from the Inogen One G3.
  8. Repeat steps 5-7 to remove the other column.

Installing Sieve Replacement Columns:

  1. Remove dust caps of new Inogen One G3 Replacement Columns. Make sure that no dust or debris is present where the dust caps were located.
  2. Insert column into the Inogen One G3 concentrator as soon as the dust caps have been removed. Do not leave the column exposed.
  3. Push the column into the device such that it is fully seated. Ensure that the spring-loaded latch button returns fully to the closed position.
  4. To install the other column, repeat steps 1 - 3.
  5. Connect the AC power supply cord to the Inogen One G3 and plug the power supply AC cord into an electrical outlet. Do not power on the device.
  6. Press and hold the light button for about 10 seconds, and the screen will display a "sieve reset" message. Once the message is displayed on the screen, release the button.
  7. Press the bell button once, and the screen will display "sieve reset successfully." 
  8. Press on the power button and use the device normally.


We have put a lot of focus on making sure the items get delivered to our customers as quickly as possible.

Please Note: Estimated Ship Timelines Do Not Include Handling/Production Time!

Delivery Time = Handling time + Transit time

All the products will be put through a production process, therefore there will be a Handling Time on them. 



Handling time: 1 – 2 Business days (Monday to Friday)

Transit time: 3 – 5 Business days (Monday to Friday)

Shipping Rate:

For United States Orders:

Rate name
     Minimum purchase
Shipping fee
Free Shipping$80.00 or moreFREE
Basic Shipping$0.01 - $29.99$12.99
Standard Shipping$30.00 - $79.99$16.99

Returns & Refunds

If you are not entirely happy with your purchase, you can return your item/s within 30 days of delivery for a full refund of the original payment.

Once we have received the product(s) and, if appropriate, any packaging, a refund will be credited to the payment card account within two weeks; please note that it may take up to 14 days for your bank to credit your account. We are not liable and cannot take responsibility for any bank charges you may incur during the refund process.

Return Costs

Your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging to be eligible for a return. You’ll also need the receipt or proof of purchase.

No Restocking Fee

To start a return, you can contact us at If your return is accepted, we’ll send you a return shipping label and instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.


After reviewing this policy, if you have additional questions, want more information about our privacy practices, or would like to make a complaint, please contact us by e-mail at or by mail using the details provided below:

My Relief Pain, 14422 Shoreside Way Ste 110, Winter Garden Florida 34787, United States

Phone number: +1 321-333-9520


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