Disposable face masks are less protective than N95 and KN95 respirators for two reasons. Disposable face masks have a looser fit, so there tends to be gaps between the mask and the wearer’s face ...

the masks most effective in protecting against smoke inhalation are N95 respirator masks and KN95 masks. However, Lang emphasizes that even a fabric mask or bandana is better than nothing ...

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

But the Food and Drug Administration has also approved some KN95 and FFP2 masks made in China and Europe that offer comparable protection. Disposable surgical masks are also made of non-woven fabric.

Properly fitted N95 or KN95 masks remain an effective tool for preventing transmission, especially in conjunction with vaccination. Campus departments may order free disposable masks for distribution.