The 3M 8214 Particulate Respirator is designed for applications such as welding, soldering and other operations in which metal fumes may be present, including those present with ozone (3M recommended for 10 x OSHA PEL) and nuisance levels of organic vapors (below OSHA PEL). It can also be used in grinding, sanding, sweeping, bagging and other dusty/hot operations. It is especially well-suited for foundry operations, lab settings, undercoating and petrochemical operations. Features the 3M Cool Flow Exhalation Valve, a cake-resistant media, a comfortable faceseal and fully adjustable straps.