data in Ελβετία

... filters over 94% of aerosols containing water and oil, as well as fine dust, viruses, etc. Meiyi's respirator made of high efficiency micro filtration filter fleece, guarantees a high level of filtration of 94 per cent of particles as small as >0.3 microns in the air. Intended for single use, the FFP2 respirator from Meiyi is tested and CE certified.":"Η μάσκα φιλτράρει πάνω από 94% των αερολυμάτων...