industrial dust respirator: 1) Material: non-woven+carbon; 2) ... resistance with high filtration efficiency.Filtering and adsorbing harmful industrial dust, it can prevent silicosis.Adjustable contoured aluminum ... environmental sanitation, paint industries, automobile manufacturing, etc. Item name industrial dust respiratorItem No. CFD2002TLayer 4plyColor blackPacking 20pcs/box, 40boxes/cartonDelivery ...