1121A, no longer available, replaced with 1121C. Dromex FFP2 with valve, cup shape active carbon disposable dust masks provides low breathing resistance,with heavy duty tab mounted adjustable head strap with contour seal, colour coded adjustable plastic nose clip and a soft foam nose piece for added and increased wearer comfort and fit. Exhalation valve reduces hot air build-up and provides easy breathing in hot and humid environments. The active carbon pre-filter filters nuisance organic vapours and welding fumes