Mask Pattern Coffee Filter Insert
Pin and baste inner piece and pocket together.
Mask pattern coffee filter insert. This is to help prevent your coughs sneezes or other mist from escaping the mask. For comparison an n95 mask typically has a pressure drop of 9 mm h20 and a minimum filtration of 95. How to make cloth face mask with a filter pocket where to buy face mask filters and stuff from around the house to use in mask filters like coffee filters. Masks can be hard to come by these days so i am also providing the free mask pattern that i created as well.
Cut an oval slightly smaller than mask about 6 5 x 4 5 and insert in the pocket. 2 layers braun coffee filter 14 1 of particles filtered pressure drop of 16 42 mm h20. Watch the full step by step video above as fashion department associate director and blanche grad sara armstrong breaks it down using everyday materials to create a custom washable face mask with an insertable coffee filter. You can make a diy filter from a coffee filter.
Insert into the mask and gently unfold the filter inside. The study researchers explain that anything over 15 mm h20 is not great. Pin and stitch all around the mask pieces together leaving one short side open. According to a report in the huffington post filter materials like hepa and polypropylene should be placed between two layers of fabric like cotton silk or nylon when the masks are being produced.
Place the filter pocket to the inner piece matching center. Just let you know n95 filter is the way to go and most suggested. Fabric link any lightweight fabric pieces will work. Don t forget to remove disposable filter before washing mask.
Material n95 mask filter links canada https amzn to 3f0rgup usa https amzn to 388w8wg. The pocket for an optional removable filter for additional filtration is at the bottom inside of the mask. You can even make a mask without. Flatten a 2 coffee filter cut off the ends to fit the width of the masks inner seam then fold the two sides in so the whole thing is small enough to get in the nose hole.
6 place the inner piece and outer piece with the right sides facing each other matching the center.