*Low breathing resistance with high filtration afficiency.Adopted the polypropylene material.which is without any toxic chemicals or stimulant. *Adjustable contoured aluminum/plastic nosepiece and a soft inner foam nose cushion help to ensure proper fit and increase worker comfort. *Easy-breathing exhalation valve with inner silicon-piece can facilitate air exchange and increase worker comfort. *Special 5-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,desinfecting and the insalubrious workshops. Active carbon face mask is a special 4-ply design plated face mask loaded with active carbon pre-filter. It can be used for the removal of a wide variety of contaminants, bad odor and organic vapours. Made by ultrasonic machine. Unique surface water resistant and soft lining, non-irritating and fiberglass free. Special 4-ply pleated design / activated carbon flat. Used for the removal of bad odor and organic vapours