Box of 10 white FPP2 self-filtering masks. They effectively retain ment suspended dust particles. They are very light, comfortable and offer very little resistance to breathing. Filtration value ?94%. Product manufactured in accordance with Regulation (EU) 2016/425, for basic use, EN 249:2001+A:2009. Requirements, tests, marking, in accordance with certificate nº TD11/GT263/263/2103/X1/E/2233 of GÉPTESZT Kft.