FFP3

They have the highest level of protection at 99% and are European certified, equivalent to the American N99 and the Chinese Kn99. 2. They block particles from breathing, speaking, sneezing, and coughing of other people so that whoever wears them does not inhale them.

• Masks usually made of cotton that provide the lowest protection to the person wearing them, both in transmitting and inhaling contaminated particles.

• The World Health Organization recommends their use in the general population when necessary safety distances are maintained.

• They are not recommended for the elderly and people with underlying diseases, as well as for healthcare facilities such as hospitals.

• After each use, they can be washed and reused.