Dust mask Standard weight: 160g-180g/m2 Various shapes available. Extremely light weight. Metal nose clips to fit individual facial contours. Fiberglass free, odorless, low breathing resistance and non-irritating to the skin. Comfortable protection against airborne dusts and powders for all renovation work (e.g.sanding) and for house and garden work (e.g. pollen). Packed in box of 50's. Qty :