The opinion of Aventure Nordique
The 30 Filter Pack contains replacement filters for Buff brand masks, the Filter Mask and Filter Tube. They can be used continuously for 24 hours. They are disposable and can be recycled in plastic bins.
They meet the European requirements EN 14683:2019, relating to Breathability and Bacterial Filtration Efficiency of surgical masks. Equipped with a three-layer system, the Bacterial Filtration Efficiency (BFE) reaches 98%.
|Product name||30 Filters Pack|
|Material||Filters according to EN 14683:2019 for surgical masks, bacterial filtration efficiency (BFE) and differential pressure (breathability) type I & II.|
For reasons of hygiene, this product cannot be returned or exchanged.