The EC3D Face mask, washable and reusable
- Made with copper fibre**
- Molds to the shape of your face (but is not hermetic)
- Washable and reusable
- One size fits all
- Unisex
- Filtration rate of 84.4% BFE (Bacterial Filtration Efficiency). Test method complies with ASTMF2101-19 and EN 14683:2019, Annex B
