Show HN: I bought and tested the filtration of every mask on Amazon
They did not test every one as they missed what I got last week:GVS N31000 Segre Folded N99So far they are great. Snug fit but not horribly uncomfortable like some N95s I have worn.  They also have a plastic do-dad that so far has kept the straps from breaking off (all so common to N95s).  Short use period of a few days but no issue with the metal nose piece either.https://www.amazon.com/dp/B08PH37ZLK?psc=1&ref=ppx_yo2_dt_b_...