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
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
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