Technical Data - Box of 20 3M 1863 Fluid resistant Respirator mask. FFP3 filtering EN 149:2001 Approved for infectious diseases such as Avian Flu, TB, SARS and Ebola
3M 8835+ Valved reusable mask FFP3 R D - online purchase | Euro Industry
FFP1 vs. FFP2 vs. FFP3 Face Masks: What's The Difference?