Sat Nov 12 2022

How to change filter

Directions for cleaning filter

Equipment: Drive devilbiss oxygen concentrator 5 Inogen


   RE: Oxygen Concentrator Report Post
Tue Nov 15 2022Reply from MapleTreeBiomed
MapleTreeBiomed

Hey Barbs,

The service and maintenance log file in the Documents section can help with the schedule. Really there is just the large particulate filter on the back of the machine that just needs to be washed out once in a while. There is a HEPA filter inside that should be changed out every one or two years. You can find a diagram here labeled 41.  Which would be PN MC44D-605.

Good luck!


Andrew Whyte, CBET, Maple Tree Biomedical LLC
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Tue Nov 15 2022Reply from Chris S
Chris S

Refer to the preventative maintenance section of the service manual starting on page 10.  Manual is available HERE.


Official MedWrench Guru
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Mon Nov 27 2023Reply from ben_max
avatar placemark

Hi Barbs

I have read about cleaning the parts of oxygen concentrator here

https://www.megamedical.com.au/how-to-clean-oxygen-concentrator-and-accessories/

It was really helpful to me, I hope this helps you too.


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Sun Dec 03 2023Reply from oxygenhelpplz
avatar placemark

Hi, I cannot find this little black square. Every video and illustration shows it and it's not there on my mom's concentrator. There isn't even a spot where it would fit in. Is there something wrong with our oxygenator or have we been screwed?


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Sun Dec 10 2023Reply from frankhice
avatar placemark

Units manufactured after Oct 2020 don't have a large particle filter.


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Mon Dec 22 2025Reply from Selenkaim
Selenkaim

What kinda soap is used to clean the filter??


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Mon Dec 22 2025Reply from MapleTreeBiomed
MapleTreeBiomed

We've never used soap. Just rinsed it out. 


Andrew Whyte, CBET, Maple Tree Biomedical LLC
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Tue Dec 23 2025Reply from Selenkaim
Selenkaim

oh, it seems to be easy to handle, thanks


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