Uses of the FFP2 mask

ffp2 Personal protective equipment intended to prevent or reduce the introduction of airborne dust into human respiratory organs and thereby protect life.

Due to the characteristic of meltblown cloth with static electricity, it can absorb the smallest particles.

As the dust is adsorbed on the filter element, which is electrostatic and cannot be washed, the self-absorption filtering anti-particle respirator needs to replace the filter element regularly.

Source: https://www.unisourcesgroup.com/news/49.html