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This mask includes 5 layers of protection. It also includes a PM 2.5 filter (KN95 filter), elastic adjustable ear loops, and a valve. It is washable, ironable and reusable Mask. Adjustable nose that conforms to the structure of your face, and keeps your nose closed to prevent entry of any type of contagion. It is easy to put 2 filters for more protection if needed. For adults, men and women, large.
