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Reply to: As mask mandates return, the FDA gives a thumbs down to KN95 respirators. Here’s what to look for Posted August 7, 2021

I have read that the masks with the valves are good for the persons who wears it but does nothing to protects others. N95 are best, of course but hard to get in Canada.

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Reply to: As mask mandates return, the FDA gives a thumbs down to KN95 respirators. Here’s what to look for Posted August 7, 2021

I have read that the masks with the valves are good for the persons who wears it but does nothing to protects others. N95 are best, of course but hard to get in Canada.