Does the ffp3 mask protect against viruses?

The FFP series is a European standard, the European standard for protective masks is divided into three levels: FFP1, FFP2 and FFP3, the latter number refers to the protection capacity, the higher the level of protection, the higher the FFP3 mask is for particles with an average diameter of 0.4μm, the filtering rate of 99%. It is currently the most protective mask on the market.

Try to save these medical protection level masks for the frontline medics, they are the ones who need them the most.

Don't just go for a high level of protection, ordinary medical masks are good enough for most people who are healthy and not in an infected area.

Source：https://www.unisourcesgroup.com/news/56.html