Special 4 layers design equipped with active carbon media to absorb nuisance organic acid vapors Adjustable nosepiece and inner foam provide a custom seal for different facial size. Suited to less odor vapors, such as trash area, motorcycle riders, hospital, factories, cleaning, etc. workshops Special 4 layers design equipped with active carbon media to absorb nuisance organic acid vapors Size:18x9cm Specification:4ply or 3 ply 1 pc in polybag , 50pcs in box, 40box in carton

Activated carbon surgical masks