FFP2 masks FFP2 mask PRISM-FFP2 Filter half mask of efficiency class FFP2 NR D, type "duckbill", 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. Tutorial: How to put on an FFP2 PRISM mask? View
