SCAN MOULDED VALVED DISPOSABLE MASKS FFP3 PACK OF 2 For protection against very fine particles fumes & mists p An exhalation valve makes breathing easier p Adjustable nose clip soft foam nose piece nonirritating inner face piece & elasticated retaining straps Suitable for puse with Brick dust Concrete & plaster Soft & hard wood MDF dust Masonry concrete dust Metal working with power tools Loft insulation fibre glass Mineral fibres Silica Best Dust Protection p These masks have passed the optional Dolomite clogging test giving the user better breathing resistance for longer Conforms to EN1492001 A12009