Disposable non-woven dustproof face mask: 1.Specification:175*95 2.ISO13485 cetification 3.Weight: ... , Europe, Japan ,Southeast Asia etc.1.Products Constitute: Disposable non-woven dust-proof mask has three layer structures.Inside is Double Corona and ... according to your requirement).3.Product specification:175*95mm, Disposable non-woven dustproof mask for adult.4.Color:white,bule,green( or according ...