5 FILTERS - NARVALO URBAN REFILL
- Tested superior to FFP3 standard
- 5 layer filtration able to filter 99,9% of pollutants, viruses, bacteria, dust, pollens and odours, thanks to the layer of active carbon
- Water repellent outer layer, prolonging its duration of use, also in the rain
- Filtration Technology guaranteed by BLS
Five layers of sustainable protection
Reusable filter made up of 5 layers , capable of filtering over 99.9% of pollutants, viruses, bacteria, dust.
Thanks to the activated carbon layer, odor filtration is ensured.