Product Name: High Quality Disposable Dust-Proof Dust Mask Model NO.: YDD2650 Shape: Dust Mask Mask Type: Safe-Type Material: Superfine Fiber Mask Application: Medical Protective Mask Trademark: can do OEM Transport Package: 20pcs/box, 20box/ctn. 190, 000PCS/20FT ConTAINER Specification: For Adult Origin: CHINA HS Code: 63079000 Product Description High Quality Disposable Dust-Proof Dust MaskProduction Instructions:Using non-woven fabric material which is no toxic, no smeel, no sensitivity and nonirritating to skin. High filtration efficiency and low breathing resistance.Adjustable non clip, inner soft nose foam pad, welded strap help for fitting various face sizes and head shapes, and ensure secure seal and comfort.High efficiency filter layer with advanced electrostatic charged micro-fibers helps for providing protection against non-oil based particles and noxious dust.High efficiency and strong sporption activated carbon cloth helps for preventing micro toxic particles, absorbs organic gas and sour smell.Exhalation valve has the unidirectional exhalation function of the " only out not in", for breathing easy and eliminating the exhaust gas in mouth.Suted to chemical industry, chemical preparation, pesticide manufacturing and spraying, solvent washing, auto buidling, auto maintaining, spraying lacquer, printing, refining oil, refueling, printing ink dyeing, building ship, dismantling ship, cutting, electric, welding, electronic industry, food processing, environmental sterilizing and other bad working environment.