NBC News2y
The best NIOSH-approved N95 masks, according to doctors
If you need to restock your supply of N95 masks ... according to the CDC. Using a fitter or brace is especially a good idea for people with facial hair, which can make it difficult to achieve ...
Business Insider4y
The US government sent out a shipment of expired face masks to health workers. Here's how face masks can expire, and when they're still usable.
The seal on the N95 prevents this if worn properly, which is why even small variables such as facial hair can prevent the ... according to the CDC. Expired masks can still provide protection ...