Protex Cotton FS3 FFP3S Disposable Mask. 
Features
- Fold flat design;
- Hand shaped and sewn;
- 100% cotton, extremely comfortable.
- APF 20.
- EN149:1991 FFP3S.
- Box of 20 masks.
FFP3 Masks. 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.