... nosebar 4.Low price&easy to use Disposable Nonwoven Dust Mask 1.Disposable non woven dust mask,protective dust mask. ... 2.Low resistance to breathing.3.Fiberglass free,odorless,non-irritating to the skin ... .4.Suggested applications:garden,process,maintain,house cleaning,factory and any place need protection. Disposable Nonwoven dust ...