FFP2 Respirator Mask
FFP2 masks have a minimum of 94% filtration percentage and maximum 8% leakage to the inside. They are mainly used in construction, agriculture, and by healthcare professionals against influenza viruses. They are currently used for protection against the coronavirus during this pandemic. This FFP2 face mask is CE approved and tested to EN 149-2001.
http://www.ju-facemask.com/kn95-face-mask/