The mouth masks are made of polyester (205 gr) and washable at 60 ° C. Individually packed in a polybag.
Produced in the Belgium. User profile: not for medical purposes. Suitable for private use, public transport, in the shop, at work, ...
These mouth masks are certified by Centexbel.Covid-19 proof with following test results:
Respiratory resistance according to EN14683: 44.6 pa / cm2 (standard <70 pa / cm2)
Filter efficiency according to NBN S65-001: from 87.1% on average (standard> 70%)
You will find a handy manual at:
https://www.youtube.com/watch?v=twfTCt8FoZs