Moshi’s Nanohedronâ„¢ filters are specially designed for Moshi OmniGuardâ„¢ reuseable face masks. Blocking out particles down to PM 0.075 (75 nanometers), these filters protect against bacteria, viruses, pollen, dust, smoke, pollution, and more. Featuring Moshi’s proprietary five-layer design, Nanohedron filters have been tested to 99.9% Bacterial Filtration Efficiency (BFE) and Virus Filtration Efficiency (VFE), offering 99.9% protection against the most commonly-found airborne contaminants. With a lifespan of up to six weeks (depending on environmental conditions), the filters can be sanitized using a 70-75% alcohol spray without affecting performance.
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