This disposable P100 mask by 3M is approved by the National Institute for Occupational Safety and Health and promises to ...

Razer sold the $100 Zephyr mask for only a few months ending in January 2022 and continued to sell replacement filters until July 2022. Our November 2021 review said "the mask's lack of usability ...

Now that masks are optional on every major US airline, experts said the filters that remove 99 per ... even when mask mandates are in place. The use of masks appeared to reduce transmission ...