The Vitrex Premium Multipurpose Valved Fold Flat Mask has a pocket-sized fold flat design for easy and hygienic storage. Breathe-easy valve offers extra comfort when exerting greater physical effort/body movement. Ideal for working in confined positions (i.e when crouching or bending). Protects lungs against very fine toxic particles and from fumes when welding and removing paint. Ideal for use with MDF, hardwoods, fibreglass insulation and most power tools. EN149:2001 A1:2009 FFP3 NR.