Protection against dust and liquid aerosols. Recommended against ceramic fibers, rockwool, glasswool, silica, lead, asbestos (in concentrations of less than 1fiber/cm3 over 1 hour), use limit 50 x VME (8-hour average exposure value) Single use, adjustable flange, foam face seal, adjustable metal nose clip. Classic shell design with exhalation valve. Material: non-woven polypropylene. FFP3 NR D classification. Complies with EN149 standard. Box of 5 FPP3 masks