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Old 03-09-2020, 03:13 PM
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Originally Posted by GrayFoal2 View Post
What if you put a used (assumed to be contaminated) N95 mask in a box with a ozone generator for a few hours? Would it be virus-free and usable again?
Ozone will destroy the elastic and also degrade the mask material. No way to know when it has lost its efficacy. Might get lucky once or twice.

Heat or alcohol I think would preserve the material better and still kill the bugs.
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