One common concern about cloth face masks is the level of filtration they provide. The fabric’s mesh is often too open to filter out smaller particles such as smoke, dust, or viruses. A popular ...

N95, KN95, KF94, FFP2, M95i, M95c — the list goes on. What is this alphabet soup? If you have been shopping for high-filtration masks, then you know what I am talking about. School is back in session, ...

You’ve heard of N95 and KN95 masks — but have you heard of the KF94, and what’s the difference between the three? There are many high-quality masks on the market with different letters and numbers.

With another coronavirus variant racing across the U.S., once again health authorities are urging people to mask up indoors. Yes, you've heard it all before. But given how contagious omicron is, ...

N95, KN95, KF94, FFP2, M95i, M95c, M94k — the list is growing. If you have been shopping for high filtration masks, then this alphabet soup sounds familiar. With winter break over, COVID and other ...