FFP2 / KN95 - Protection from particles: They have a 95% protection rating and are European certified, equivalent to the American N95 and the Chinese Kn95. Additionally, they block particles so that whoever wears them does not inhale them.
FFP3 - High protection against particles: They have a protection rate of 99% and are European certified, equivalent to the American N99 and the Chinese Kn99. Additionally, they block particles so that whoever wears them does not inhale them.
Surgical - Transmission Reduction: Particles are blocked so that the person wearing it does not transmit them. Type I/IR has a protection level of 95%, while type II/IIR has 98%. It provides greater protection than cloth masks and less than FFP2 masks.