20 3m 9310 FFP1 Dust/Mist Respirator - 125200 9310 Respirator is for use against dust found in a wide variety of industrial applications and other work situations requiring FFP1 protection. • Unique 3 panel design offers increased comfort and confidence. • Foldable. • Individually wrapped. Approved to EN 149:2001 FFP1. Nominal Protection Factor 4. Assigned Protection Factor 4.