Provides a snug fit to face any type and size. Substrate does not cause allergies, soft and tight to the face of the strip obturation.
The fastening system of two elastic rubber straps on the cotton and the headband is regulated at four points. 6001CN activated carbon filter cartridge for filtering organic gases and vapors such as benzene and homologues, gasoline, acetone, carbon disulfide, helium, etc. The size adjust by two lines as your size.