The 3M 8835 FFP3D is a valved Disposable Mask.
Premium respirator with four point adjustable strap, quick release buckles and cool flow valve. APF 20. EN149:2001 FFP3D. Available in S/M and M/L sizes. Box of 5 masks.
For protection against solid & liquid particulates (dusts, mists, fume, bacteria & viruses).
With the recent pandemics of Avian Flu/Bird Flu/Asian Flu and Swine Flu, Face Masks have become a more common method to help prevent the spread of Airborne viral diseases.