1.Disposable non woven dust mask 2.Comfortable with adjustable nosebar 3.Low resistance to breathing 4.Sample Free 1:Excellent quality 2:Fast delivery 3:Promotion price 4:Lead Time:7-10days..5:Fiberglass free,odorless,non-irritating to the skin6.Suggested applications:garden,process,maintain,house cleaning,factory and any place need protection Disposable dust mask