All Inogen One oxygen concentrators have an output filter underneath the cannula barb. This filter has to be changed yearly. To remove the cannula barb, you'll need this tool (also called 'spanner wrench').
The cannula barb. The output filter is underneath.
Does what it should do, but the price is actually too high for such a simple key
Review author: Anonymous•Review date: 13.02.2018
Review rating: 5 out of 5 stars
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Not used it yet. but seems to be very well made.
Review author: Anonymous•Review date: 16.01.2017
Review rating: 5 out of 5 stars
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expensive, but it is well made and easy to use.
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