Alchemy KN95 FFP2 face masks 10-pack

Alchemy KN95 face masks 10-pack. Alternative to USA N95 and certified to European FFP2. The KN95 standard means that it stops about 95% of particles of 0.3 microns or larger. 4 layer filtering method. These masks are not marketed as re-usable. Returns are not accepted for personal hygiene reasons.