SCAN FOLD FLAT VALVED DISPOSABLE MASK FFP3 PACK OF 3 For protection against very fine particles & when dealing with toxic waste disposal 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 Conforms to EN1492001 A12009