I am trying to understand why they have a shelf life... what expires in the filters over time?

The molecular sieve, a form of zeolite, allows oxygen molecules to pass but captures nitrogen and other gases. The captured gases are then released and disposed of by an electric reversal of the materials polarity, and a new cycle of oxygen flow initiated. Due to some chemical changes in the zeolite caused by the reversal of polarity, and contamination by trace elements, the efficiency of the whole process slowly degrades over time, until a sufficient concentration of oxygen can no longer be performed. The exchange of new zeolite (in a cartridge form) restores the process to its desired level of efficiency.

So my G5 unit was unused for over a year and now I’m getting column replacement notices. It’s because it’s been idle for over 6 months ?

Either sitting too long or the fact it is a year old. Both are indicators to definitely replace.

How do I know that the new columns are working? I could not get the message that the exchange was successful.

I wasn’t sure my new columns were working either. Called Inogen 800 number and they walked me thru the setup.

Does anyone have instructions for upgrading the ingen g5 so you can change air cleaners at home instead of sending the unit to the factory?

The inogen One G5 Colum Pair RP-502 I ordered came with directions and it was very simple for me to change. There is a video on U-tube also.

Inogen One G5 Column Pair Rp 502

Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

المساعدة تتبع الطلب

الحساب عربة التسوق

Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

المساعدة تتبع الطلب

الحساب عربة التسوق

E£ 33121

Duties & taxes included

In stock

Sold byAmazon EGYPTDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛠️ Keep your oxygen flowing, your life going — upgrade your Inogen One G5 with ease!

TRUSTED QUALITY - Genuine Inogen parts with clear instructions for seamless installation and peace of mind.
EFFORTLESS MAINTENANCE - Quick-swap metal columns keep your Inogen One G5 running like new without downtime.
COST EFFECTIVE LONGEVITY - Replace worn sieve beds yourself and extend your device’s lifespan without service center delays.
MAXIMIZED OXYGEN DELIVERY - Precision-engineered sieve beds ensure consistent, high-concentration oxygen flow.
USER APPROVED RELIABILITY - Backed by a 4.7-star rating from over 700 users who restored their device’s performance instantly.

The Inogen One G5 Column Pair RP-502 is a genuine replacement part featuring removable metal columns with sieve beds that convert ambient air into high-concentration oxygen. Designed for easy self-service, these columns extend the life of your Inogen One G5 portable oxygen concentrator by enabling quick, cost-effective maintenance without sending the device for repair.

Specifications

ASIN	B07TH8PV1Y
ASIN	B07TH8PV1Y
Best Sellers Rank	217,536 in Health & Personal Care ( See Top 100 in Health & Personal Care ) 443 in Oxygen Therapy
Brand	Inogen
Customer Reviews	4.7 4.7 out of 5 stars (712)
Customer reviews	4.7 4.7 out of 5 stars (712)
Date First Available	25 Aug. 2024
Manufacturer	Inogen One
Package Dimensions	25.91 x 15.8 x 14.1 cm; 748 g
Units	1.00 count

Reviews

J**H

Genuine inogen part complete with instructions

Replace part in inogen G5

26.09.2022

A**R

Works perfectly.

My wife's Inogen G5 kept throwing alarms and shutting down. After a very simple installation, it is as good as new.

10.07.2026

S**A

Haslo tu mismo pero con conocimiento

Mi concentrador empezó a marcar bajo nivel de oxígeno y con estas columnas lo pude solucionar

22.05.2026

A**R

defective?????

i am concerned that there were no dust caps on the top two outlets only on the bottom two inlets. dont know if this will affect product however i cannot return as i desperately need the oxygen now.

16.08.2024

B**N

time

very happy with product

17.07.2026

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E£ 33121

Duties & taxes included

In stock

Sold byAmazon EGYPTDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to EGYPT.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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