Individual mask, 90% filtration - Washable 10 times. This fabric mask was developed as part of the creation of 2 new categories of anti-projection masks for use by professionals in contact with the public according to the information note of March 29, 2020 (Interministerial Information Note of March 29, 2020) AFNOR SPEC S 76-001:2020. Tested by the laboratories of DGA Maîtrise NRBC, category UNS1, 90% filtration. Washable 10 times (ratio RP/20-3141/DGA MNRBC/20000305 /NP). The fabric mask that we offer meets category 1, i.e.: Air permeability for a vacuum of 100 Pa and filtration efficiency of the 3 µm particles emitted by 90%. Individual mask for use by professionals in contact with the public (for regular contact with the public). The tests carried out by the DGA (Direction Générale de l'Armament) on these masks prove that filtration efficiency is maintained even after 10 washes.