FFP2 masks Customizable Monochrome FFP2 Mask PRISM-FFP2-PERSONNALISABLE Filter half mask of efficiency class FFP2 NR D, type "duck's beak", single-use mask, non-sterile.The mask is manufactured according to the recommendations of the standards: NF EN 149+A1 2009 14683 + AC 2019 PRISM carries out quality self-checks as and when it produces. View