Masks with PROVEIL nanofibre technology, developed in partnership with Consejo Superior de Investigaciones Científicas (Spanish National Research Council, CSIC), include a layer of nanofibres that provides highly effective mechanical filtration for small airborne particles without reducing efficiency over time. 

Filter with nanofibre technology, developed in partnership with Consejo Superior de Investigaciones Científicas (Spanish National Research Council, CSIC). These filters use mechanical and not electrostatic filtration.

• This provides improved breathability even in damp conditions.
• They last for over 16 hours, in comparison with the conventional 8 hours.
• They can be disinfected with an alcohol and water solution.
• Our filter includes a virucidal component (a mineral forming part of the filter) that inactivates COVID-19.