Draper Expert 82485 FFP2 NR Welding Dust Mask (pack of 10) Expert Quality, lightweight disposable dust mask with carbon filter for protection against welding fumes (fine metal particulates), ozone (produced as a by-product of MIG and TIG welding), organic vapours, fine toxic dust fibres and aqueous mists. The easy breathe single exhalation valve, adjustable nose clip and elasticated straps deliver a contoured comfortable fit for the user, which can be worn under a welding mask/helmet if required. Display packed.