Our disposable FFP1 Biosalud masks have obtained the certificate of Aitex (Textile Research Institute), obtaining the following results:

Bacterial filtration efficiency (BFE) 99,31 +/- 0,46

Breathability: Differential pressure 57 +/- 1

Splash Resistance Pressure (kPa): Fails 0 from 32 to 17 kPa

Excellent results that speak for themselves of the quality with which Biosalud manufactures all its products.

You can see the complete report in this link:  Aitex certified disposable masks