Moshi's Nanohedron filters are specially designed for Moshi OmniGuard reuseable face masks. Blocking out particles down to PM 0.075 (75 nanometers). Featuring Moshi's proprietary five-layer design, Nanohedron filters have been tested to 99.9% Filtration BFE and VFE, offering 99.9% protection. 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.

Easy Cleaning: The Nanohedron filters can be sanitized with alcohol spray without affecting performance. Long-lasting Protection: Depending on the pollution in your area, each filter can be used for up to 6 weeks. In regions with more pollution, replace the filter every 2 weeks. Advanced Filtration: Our proprietary Nanohedron filters have been certified by a third-party laboratory to filter out particles as small as PM 0.075. Stay Safe: Designed for Moshi OmniGuard. Replaceable filters helps protect yourself.