The SonoMask Pro is specifically designed to provide a strong layer of protection to enable the user to wear comfortably and resume daily activities. The SonoMask Pro is proven to stop airborne particles down to the size of 3 μm with a 97% efficacy.
One SonoMask™ replaces hundreds of disposable masks which end up in landfills and in our water sources.
"The fabric used in Sonovia’s masks protects with 99% efficacy against viruses, bacteria and fungi with its patented nanoparticle technology." -Retrieved 12/7/2021 from https://sonoviastore.com/pages/masks (see 'Frequently Asked Questions')
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