Name:N95 Dust Mask Filter Efficiency:N95 Material:Non-woven fabric+Meltblown fabric Sdandard ... eliminiate the exhaust gas in mouth.7.Suited to chemical industry,chemical preparation,pesticide manufacturing and spraying,solvent washing,auto ... ink dyeing,building ship,dismantling ship,cutting,electric welding,electronic industry,food processing,environment sterillzing and other Bad working environment. ...