The stealth mask comes with a strong odour, despite claiming not to. I found that a combination of constantly wiping with 70% isopropyl alcohol wipes and running a mini fan in front of the mask solved this problem.
Considering that it is N100, the mask is pretty comfortable. I wore it constantly for an hour without a problem and I don't generally need to wear a mask longer than that. It is quite tight around the nose but I think it needs to be, to get a good seal.
What I like about it, is that...