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Replacement Filter for Gas Mask – 99% Effective

   With filters being in short supply for full and half face respirators, MainelyDiY has come up with a solution.

   The material we chose may actually filter out viruses including COVID 19 even better than the coveted N95 masks – 4% better. According to calculations it can block particles by a whopping


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    Check out our written instructions for specific instructions with photos for making your replacement filters. Includes materials used plus construction tips. And it is FREE in a downloadable pdf file format.

To read reference article on material effectiveness click here

      Prices subject to change. As participants in affiliate programs, we may earn small commissions on products and services linked in our blog/website. There is NO additional cost to you however it gives us a boost and allows us to continue to provide you with easy link access to items we use. We are a Cricut Affliate.

2 thoughts on “Replacement Filter for Gas Mask – 99% Effective

    1. Filters are good for hours of continual use. Our recommendation is to disinfect after each use period or allow 4 or more days between usage. We recommend immediate disposal once damp with contamination.

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