Flat-fold, three-panel face masks made of 100% polypropylene. Snug-fitting design with an adjustable nosepiece forms a perfect facial seal. Features Cool Flow™ exhalation valve for easy exhalation and cool, dry comfort. Exceeds industry standards for extra-protection and fluid resistance with a BFE (bacterial filtration efficiency) and a PFE (particulate filtration efficiency) of greater than 98%. Reduces the wearer’s risk of contact with blood and body fluids. Meets Health Canada, CDC (Center for Disease Control) and WHO (World Health Organization) guidelines for exposure control of Mycobacterium tuberculosis (TB) and Severe Acute Respiratory Syndrome (SARS). NIOSH (National Institute of Occupational Safety and Health) approved. Individually packaged in sealed pouches. Latex-free and fibreglass-free.