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by hedgehog 1621 days ago
In practice many N95s filter over 99% of particles including around the important sizes for COVID. I think of them like drinking coffee from a paper disposable cup: convenient in many ways but more expensive over time and a crappier experience than ceramic. Lots of people will do it.

I do however use a 7502 with 2297 filters for high exposure and GVS Elipse for medium exposure like grocery store.