Dust mask/Safety mask/Dust respirator made by with special 3-ply nonwoven cloth material,20gsm spunbond nonwoven fabric+20gsm meltblown nonwoven fabric+25gsm spunbond nonwoven fabric,this type contains high efficient activated carbon cloth to eliminate unpleasant smell. High filtration and static electricity, effectively resisting low toxic material and eliminating organic gas and unpleasant smell. Adjustable nosepiece easy to contact faces tightly and to carry