FFP3 Ventilated / non-vented mask consists of 5 layers: 1st layer 50 g Spunbond, 2nd layer 25 g Spunbond, 3rd layer 30 g Meltblown, 4th layer 25 g Meltblown, 5th layer 20 g Spunbond cloths. It has UNIVERSAL EN 149:2001 + A1 2009, (EU) 2016/425, ISO 13485:2016 certificates.
