Pack of 10 cup masks class FFP2 NR. Protects against slightly toxic or irritant aerosols and/or liquids. Fitted with nose liner and aluminium nose clip to fit all face contours. Also fitted with breathing vent to provide more comfort and better communication as well as reducing heat build-up. Filter Efficiency ≥ 94%. Manufactured to BS EN 149:2001 + A1:2009.