Face Mask with 80mm N95/N99 Pad

thingiverse

Updates: 2020-04-14 : version where strap mount is on the filter cap added 2020-03-27 : minor improvements, increase grill size and edge contact area, 4 point strap mount Overview: Face mask using N95/N99 pads, these pads are normally used as pre-filters in industrial/commercial grade respirators. See this thing for cotton pad filter : https://www.thingiverse.com/thing:4228729 Usage: Sand rough edges that will be in contact with skin. When mounting the filter to the mask, rotate clockwise until you hear a click. Release filter by rotating counter-clockwise. Replace filter as often as possible and wash mask with warm water and soap. In Canada, these pads are available at the following links: https://www.grainger.ca/en/product/FILTER-NON-OIL-PARTICULATE-BG10/p/NON7506N95 https://www.grainger.ca/en/product/PREFILTER-N99-10-PK/p/NON7506N99 To improve fit, seal and comfort, I tried Nexcare waterproof tape around the rim of the mask, P-type weather stripping applied inside the rim works well as well, Neoprene foam tape and etc https://www.homedepot.ca/product/m-d-building-products-3-8-inch-x-3-8-inch-x-17-ft-small-premium-rubber-gap-seal-p-profile-white/1001121260 https://www.nexcare.com/3M/en_US/nexcare/products/catalog/~/Nexcare-Absolute-Waterproof-Tape/?N=4326+3294529207+3294631805&rt=rud https://www.amazon.ca/gp/product/B01G382DX4/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1 Disclaimer: Use at your own risk

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