Code 93200: Suitable for the removal of bad odor, organic vapours from polluted environment, and for riding bike and motorcycle. Features Suitable for the removal of bad odor, organic vapors from polluted environment, and for riding bike and motorcycle. 1. Type: Flat shape, 4-ply, non-sterile 2. Size: For adults 3. Color: White 4. Outer Layer: Water-repellent non-woven Middle 1 Layer: Activated carbon with PE+ polyester Middle 2 Layer: High level static filtration non-woven Inner Layer: Microfilter thermal-bond non-woven 5. Nose band: PE iron wire