Welding Respirator 8212 Box/10 3M 3M™ Particulate Respirator #8212. N95 approved. With 3M™ CoolFlow™ Valve. Helps provide respiratory protection for certain non-oil particles in applications such as welding, soldering and other operations in which metal fumes may be present. Flame resistant per ASTM D2859. Box of 10. NOTE: Always read full user instructions and warnings included with the product before using. Improper use may result in sickness or death.