Does the job very well. I use mine in an Ultralight mask when i go running.
Cleaning is very simple.
To give you some idea of its longevity (since I didn’t find that very clear on this site); i clean the filter after about 15-20 hours of running (even though it can probably go on even a bit longer than that).
I’ve cleaned it 4 times before thowing it out. After the 3rd cleaning it became slightly fuzzy. After the 4th cleaning the increased “fuzzyness” became slightly irritating when using it. So it was time to get in a new filter.
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