Triple-layer construction, 98% bacterial filtration efficiency and water repellent properties. Non-reusable filters, 24 hours maximum reccommended use. Totally binder-free, latex-free, glue-free, fiberglass-free. Design: Solid. Size: One size. Designed for adults.
Filters meet surgical mask standard EN14683:2019, Bacterial Filtration Efficiency (BFE) and Differential Pressure (breathability) Type I & II.
Filters made in Germany by Ahlstrom-Munksjö.