EN 149 - Respiratory protective devices

Standard for respiratory masks against particles.

Masks are classified in 3 classes depending on the ability to separate airoborne particles according to the FFP(Filtering Face Pieces).

Class Separation ability(at 95 L/min airflow) Allow leakage between mask and face
FFP1 Filter separates 80% af airborne particles. < 22%
FFP2 Filter separates 94% af airborne particles. < 8%
FFP3 Filter separates 99% af airborne particles. < 2%