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See the test results:   Manufacturer

                           Greencycl (NL)

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A new generation of mask filters.

Higher bacterial, viral, and particle filtration efficiency, and 6 to 8 times more breathable than all previous filters. You will never have to compromise safety for comfort ever again.

OS3D Filters

  • Certified Bacterial Filtration Efficiency and Viral Filtration Efficiency of 99.9%

  • Certified Particle Filtration Efficiency of 99.3%

  • Certified breathability index 6x better than any other N95 face mask

  • Removable and changeable filters without mask removal

  • Re-washable up to 50+ uses

  • Cheaper than any other reusable filter on the market

Personalize your OS3D Mask with the OS3D You HERE
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