This product helps protect gainst certain particles in concentrations up to 10 x ES. original - 3M - to norms EN149:2001, marking CE, bagged individually, sold in - Box.The original 3-flap design allows for more facial movements.The shaped and embossed upper flap adapts to the nose and contours of the face, for a perfect fit.The embossed upper flap helps reduce fogging of the glasses.The chin tab facilitates positioning and adjustment. Easy to store thanks to folding design and single casing.Colored strings for identification: yellow for FFP1 (NPF 4), blue for FFP2 (NPF 12) and red for FFP3 (NPF 50).