2-pack respiratory protection mask ffp2 nr d, the respiratory protection mask of the filter class ffp2 reliably protects against dust and aerosols harmful to health and is ideal for sanding, planing and isolation work. the protection class is designed to filter out 94 % of particles up to a size of 0.6 mm and for safe use in the workplace up to a value 10 times higher than the occupational exposure limit. the respiratory protection mask is a disposable product that can be used during a work shift. to save space, the mask can be easily folded away. the soft filter fabric is very pleasant to the touch and offers an optimal seal along the contour of the face. the nose piece is flexible, allowing it to be adjusted for greater comfort. thanks to the innovative filtering technology, breathing re