Use this. It filters out Covid: https://www.amazon.com/dp/B08GL2L8PG/ref=cm_sw_r_cp_apa_fabc_3Ev0FbPGYYE7P?_encoding=UTF8&psc=1 … Here is a page of lab results for the mask:https://sonoviatech.com/testresults/
You can reuse a KN95 many times, and at least it does something important. I can’t decide if this thing is more leaning towards snake oil or ripoff.
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