Not all here this am: meant to share this possibly helpful info: Can you clean N95 masks?
A timely study, conducted by Dr. Pascal Juang and published in April of 2020, determined the following about mask cleaning:
Rotate between three to four masks, wearing one per day and then letting it rest for three to four days. N95 masks can be heated to 70 C (158 F) for 60 minutes. Boiling N95 masks for five minutes Steam cleaning N95 masks at 125 C (257 F) for five minutes
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sj