https://www.thatdailydeal.com/fasttrack/fast_track.php?id=55786&chksrc=txt&sscid=41k4_6f7n7
Comparison of FFP2, KN95, and N95 Filtering Facepiece Respirator Classes
Re-usable? Possibly, if done correctly. Here is a series of articles on sterilization/re-use:
http://www.taipeitimes.com/News/taiwan/archives/2020/02/15/2003731027
https://www.n95sterilization.org/
Rev. Dave’s Disclaimer: I am not a medical professional. The data on all of this is rapidly changing as, collectively, we learn more. BUT, it is my “amateur” opinion that, if you wish to have among the best masks ethically available at this moment to us (KN95 vs N95), then this listed above is a decent deal. However, proceed at your own “risk.”
— Posted by Dave Perkins