Is KN95 and european FFP2 certified, similar to the American N95 certified mask.KN95 is an industrial manufacturing standard meaning this mask is effective against 95% of particles with a mass median diameter of 0.3 micometers or larger. Properly worn masks can protect very well against PM10, PM 2.5, and smaller particles.
4 -Layer filtering method for maximum protection.Alchemy KN95 masks are comfortable, soft on the skin, non-toxic and non-irritating. Reduce the viral infection in crowd Light and Nonbulky, fabric-based. Comfort wear, elastic fasteners with latch-on clip. When worn correctly, you will benefit from comprehensive protection.