This category contains all protection masks with a high wearing comfort by an adjustable nose bar and effective filtration.
FFP1: protects against dusts in concentrations up to 4x MAC, no pr otection against carcinogenic and radioactive substances as well as airborne biological substances of risk groups 2 and 3 as well as enzymes.
FFP2: protects against dusts in concentrations up to 10x MAC, no pr otection against radioactive substances and airborne biological substances of risk group 3 as well as enzymes.
FFP3: protects against dusts in concentrations up to 30x MAC.
The maximum allowable concentration indicates the concentration from a substance that is acute or chronic harmful for the health in general are not expected. The limits are based on existing occupational health and toxicological findings.