Copperwheat said incredible rigor and standards go into getting N95 masks certified by the federal government. Federal health officials say that any mask, even a cloth mask, is better than no mask.

A member of the medical staff listens as Montefiore Medical Center nurses call for N95 masks and ... More other critical PPE to handle the coronavirus (COVID-19) pandemic on April 1, 2020 in New York.

These 4-layer N95 masks were tested and certified by the National Institute for Occupational Safety and Health for filtering out at least 95% of airborne particles, according to the NIOSH database.

KN95 masks can offer the best protection against Covid, according to the CDC. We asked experts how to wear KN95 masks, plus the best brands to shop from.

The Centers for Disease Control (CDC) updated its mask guidance last week, recommending people wear N95 or KN95 masks. “As we are entering year three of the pandemic, we’re getting more and ...

The Centers for Disease Control (CDC) updated its mask guidance last week, recommending people wear N95 or KN95 masks. “As we are entering year three of the pandemic, we’re getting more and ...

Experts are now recommending medical grade masks to protect yourself against COVID-19 - but what's the difference between an N95 and a KN95 mask?

Level 3 masks exhibited variable filtration, with one mask at 60 ± 6% and another at 75 ± 10%. KF94, KN95s, and the KN95-lookalike mask filtered between 57% and 77%.