Low breathing resistance with high filtration efficiency. Adopted the polypropylene material, which is without any toxic chemicals or stimulant. Adjustable contoured aluminum nosepiece and a soft inner foam nose cushion help to ensure proper fit and increase worker comfort. Special 3-ply design respirator produced from high filtrable and electrostatic material for resisting normal toxic and tiny micro particle. Suggested applications: Chemurgy, spray-paint/printing, dyeing, garage, factories of electronic aid and food, disinfecting and the insalubrious workshops.