N95 V-Fold mask with CoolTech valve. Features a 360-degree silicone seal that molds to your face， maintaining the seal even while speaking or moving. As you inhale， the thin， feathered edge of the silicone seal tightens to your face. Includes a molded-in adjustable nose clip that can be shaped to your nose and Will not peel off. Internal skeleton prevents mask collapse while breathing and improves the mask's durability. Adjustable four-point ultrasonically welded head strap， no staples. No-Fog design keeps goggles and glasses fog-free. Provides protection against airborne bacteria， molds， and viruses including H1N1 and swine flu. Protects against allergens， smoke， ash， soot， and fine particle air pollution. Meets CDC (Center for Disease Control) guidelines for TB exposure control. Filters: 99% Bfe， 99% Pfe 0.1 Micron， 95% Nacl 0.3 Micron. Niosh 95， flame and fluid penetration-resistant.