Filtration > 99%(3 µm) and 99%(1 µm). Approved for workers in contact with the public. Category 1 certification. Performance measured after 10 washes, by the French Department of Defense (DGA laboratories, 5 rue Lavoisier, 91710 Vert-le-Petit - reference RP/20-7089/DGA MNRBC/2000305/NP).
This 3D seamless face covering is washable and comes with 2 replacement filters: