3M 9925 FFP2 Welding Mask 10 Pieces

3M 9925 FFP2 Dust, Mist, Welding Fume Mask Special Purpose Welding Mask - Respiratory protection against fine dusts, metal fumes and ozone gas. Designed to protect the respiratory system against fumes generated during welding operations. Effective particulate matter filtration prevents clogging to extend the use against gases generated during welding. Activated carbon layer captures ozone generated during MIG, TIG and arc welding operations. 3M Cold Flow Valve reduces heat generated and provides comfortable protection, especially in hot and humid conditions. Spark arrester – specially treated outer layer increases resistance to sparks. Welding guards – designed to be fitted under welding guards. Standard: EN149:2001 FFP2Approval: CE MarkedMaximum use level - Particulate matter: Assigned Protection Factor: 10 x OEL (Nominal Protection Factor 12 x OEL)Maximum use level - Ozone: Assigned Protection Factor: 10 x OEL (Nominal Protection Factor 10 x OEL)