KN95 masks are regulated by the Chinese government ... the CDC recommends using a well-fitting mask made of at least two layers of breathable fabric. 3M is the largest manufacturer of N95 masks ...

The KN95 Mask is designed with comfort ... renowned for its snug yet breathable fit. With side flaps that contour to your face, an adjustable noseband, and customizable ear loops, it ensures ...

KN95 masks offer a similarly high degree of protection ... Its quilted, three-layer construction is designed to be ...

It found that masks, "if correctly and consistently worn," are "effective in reducing transmission of respiratory diseases and show a dose-response effect." It also found that, N95 and KN95 masks ...