FFP3 masks can protect against various toxins (such as asbestos, bacteria, viruses) and are usually used by healthcare professionals when handling dangerous pharmaceutical chemicals.
The FFP2 mask is equivalent to the US N95 standard in Europe. It can prevent harmful substances in the air, such as lead dust, aerosols, and smoke. Therefore, it is a common mask in the mining and metal industry and agriculture, and it is a must for medical staff to prevent influenza.