Mask 3D printed with removal filter ( covid19 ) ( corona virus )
thingiverse
Assembly instructions: https://www.youtube.com/watch?v=LLDiHV-1D8g&feature=youtu.be Semi-permanent Mask: A Better Alternative to Homemade Fabric Masks. This mask features a removable filter holder, making it easy to clean and replace filters as needed. The prototype has not been validated by a reputable health organization, but it uses readily available filtration materials. It is recommended to wash the filter holder with soap and hot water below 70 degrees Celsius to prevent damage. To ensure maximum effectiveness, change the filter every four hours to prevent contamination. If you can't find polypropylene fabric on a roll, you can also use synthetic fabric bags as an alternative source. For a snug fit, apply foam tape along the edges of the mask to create a tight seal.
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