3m Masque Respiratoire Ffp2 Norme En149 1 1862

Breathing masks dual accreditation: 1/ protective and 2/ medical device

mask without valve

If they are used and maintained properly, respirators can reduce exposure up to a concentration considered safe for most particles are not organic. However, they do not eliminate the risk of exposure, infection or disease in the case of biological particles, including exposure levels that are safe have not been established. No respirator will not, however, able to prevent the inhalation of all particles, for which reason they will not totally eliminate the risk of exposure, infection and disease.

To ensure the effectiveness of these products, the carrier must reach to ensure a good seal between the mask and his face and thereby to prevent contaminated air from entering.