Make sure to properly fit the mask to maximize the amount of air that enters the mask through the filter. Everyone's face is slightly different. Follow the instructions on the download page to print a mask that has the best fit for your face.
Tie two elastic straps or rubber bands around the four loops. Do not use string, it can make it difﬁcult to make and maintain a tight ﬁt against your face.
Conﬁrm that every edge of the mask ﬁts ﬁrmly against your face. The goal is to get as much air as possible to enter the mask through the ﬁlter.
Place the mask in 2" of hot water for a few seconds. Be careful as mask will be hot. Cover inside edge with a cloth, before bending to press against face until it hardens.
Cut a square of the most suitable ﬁlter media available that is slightly larger than the ﬁlter insert itself.
Cover the ﬁlter insert with the ﬁlter media and insert it into the breathing port, making sure to line up the “bump-outs” on the insert with the indents inside the breathing port.
After each use of the mask or whenever the filter media gets moist, remove the ﬁlter insert by pulling from its tab and dispose of the filter media into a closed trash container.
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Divide medical non-woven masks into smaller squares.
Upcycle sterile wrapping like two-ply spun polypropylene.
Tightly woven fabrics (cotton, silk or nylon)
100% Cotton T-Shirt fabric
Pillow Case fabric
HEPA vacuum bags made of polypropylene and NOT with fiberglass
"Any filter material (HEPA, polypropylene) should be sandwiched in between two additional layers of fabric (cotton, silk or nylon) to prevent inhalation of filter materials.” -Stanford physician Sudeb C. Dalai
While this mask is meant to be reusable, depending on the material and type of disinfectant used, the mask may begin to deteriorate. Once the mask shows signs of deterioration, it should be disposed of.
Do not position the mask too high over nose and mouth.
Position the mask slightly below the chin and secure comfortably.
The USA government’s Center for Disease Control (CDC) website recommends using a bleach solution or alcohol with greater than 70% alcohol content as a disinfectant against COVID-19.
Find Details Here:
https://www.cdc.gov/coronavirus/2019-ncov/prepare/cleaning-disinfection.html A bleach solution can be produced by (cdc.gov) 5 tablespoons, (1/3rd cup) bleach per gallon of water, or 4 teaspoons bleach per quart of water.
Thoroughly clean out any disinfectant after soaking the mask with clean water!
Procedure masks ﬁt loosely to the face and act as barriers to splashes or aerosols (such as the moisture from a sneeze). Respirators create a seal around the mouth/nose and ﬁlter out particles such as viruses.
All people associated with the conception and design of this mask —as well as with the publication of this website— make no medical claims that using this mask will prevent catching COVID-19 or other viruses.