Nuisance Mask case of 12  boxes of 50  Nuisance Mask 50 pieces per box Features a compact design that can be easily worn with glasses and goggles. Fibreglass-free. B.F.E. up to 99.9% at 3.8 um particle size. Unisex.   Product Description Nuisance dust mask featuring a compact design that can be easily worn with glasses and goggles. Fibreglass-free. B.F.E. up to 99.9% at 3.8 um particle size. Fibreglass-free and odourless, this mask provides low breathing resistance and is non-irritating to the skin. Soft, flexible nosepiece enables individual facial adjustment. Additional Information Quantity 600 Unit Of Measure case Size Unisex Colour White