Overall rating | 10 reviews) | (
90 Filters Pack.
A single-layer filter, certified for bacterial filtration to insert inside the Stratos Mask. It is easily replaceable thanks to the comfortable straps. It allows to filter about 99% of bacteria and viruses emitted by the mouth, exactly as required for surgical masks according to EN ISO 14683:2019 standards.
The filter pack includes an additional mask frame.
You can recognize the frame size from the lateral dots as from the figure(1 dot = S; 2 dots = M; 3 dots = L).
WHEN TO REPLACE THE FILTER
It is advisable to replace the filter daily, and even more frequently in the case of intense use such as a sports activity or use for several consecutive hours at work. In case of heavy use La Sportiva recommends a replacement approximately every 4 hours.
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Amazing stuff