These foldable FFP2 NR masks are self filtering and manufactured in compliance with EN 149-2001+A1:2009 standard. They have been classified as PPE of Category III. These disposable face masks protect against solid and fluid particles and have a filtration efficiency up to 92%. They have elastic ear loops that can be perfectly adapted to the contour of your face without pressing on the skin, thanks to the adjustable head strap. They are more comfortable and safe. These face masks are supplied in packages of 20 pieces.