These masks are made and parts sourced in the USA. They are n95 certified masks. No counterfeit stuff that may not actually filter enough to keep one safe. They are usually in the $40 range, now $19.

IFM INDIANA FACE MASK N95 Respirator Masks | Box of 25 | NIOSH APPROVED N95 | Made in USA | Particulate Respirator >95% | Individually Wrapped | Universal Fit | Certified Particulate Respirators [a.co]

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Ways to improve web conference image and sound quality. [forums.macresource.com]

Wow, that's a deal. I use them for wood cutting and sanding.

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Mischievous and Deceitful
Chicanerous and Deplorable