Protect yourself and others with this KN95 certified High-Filtration Face Masks box of 20 masks.
**In Stock in Our Denver, Colorado Warehouse**
KN95 certified, similar to the American N95 certified mask. KN95 is a Chinese industrial manufacturing standard meaning our masks are effective against 95 percent of particles with a mass median diameter of 0.3 micrometers or larger. Properly worn masks can protect very well against PM10, PM2.5, and smaller particles. BFE>95% (Bacterial filtration efficiency)