Mask Filter Insert Pattern
When sewing your filter extend your stitch length to 3 0 or 3 5 and use a smaller needle is you have one on hand.
Mask filter insert pattern. Repeat the same process to the other side of elastic casing. And wearing a mask with additional filter reduces the risk of breathing in the. The decision to wear a mask is solemnly your own. Filters are made from non woven materials which are the least permeable material.
A free printable pdf version of these pattern instructions is available at the bottom of the post. 7 clip the corner seams. I recommend a microtex. But be sure to remove the filter before laundering your fabric mask.
8 turn the mask right side out through the opening then press. Turn the mask inside out making sure the filter pocket and front are on the outside press. The pattern also includes instructions for inserting nose wire into the upper nose bridge section to create a better fitting fabric mask. The filter media in a filtrete brand filter performs very differently than an approved n95 respirator or mask.
9 fold the both sides of the mask 1 2 toward inner side to make the elastic casing. This free face mask pattern from craft passion is easy to sew and she also includes instructions for adding a pocket inside to hold further filtration material. The filter pocket allows the wearer to insert additional layers of filtration material if they so desire. Clip the round seams.
Fold the opening seam towards wrong side of the fabric. When it s time to sew your pattern pieces sew a straight stitch along the front curved edge at a 5 8 seam allowance. Stitch the elastic casing 1 8 away from the edge. 3m does not recommend or support the use of a filtrete brand filter to make a mask or respirator.
If using materials you have at home you can also use a coffee filter and insert it inside the opening to work as your third layer. After you ve worn it a few times you ll want to switch out your filter while the rest can be washed in a washing machine. The pattern suggests using hepa vacuum filters to make the mask. They re super lightweight and easy to breathe through even when i add a hepa filter.
You ll also add either a narrow hemline standard hem or serge the bottom edge of your face mask lining. This pattern endorsed by the great falls clinic a healthcare center in montana involves a cotton mask with space for a hepa filter that you would replace with each use. This fitted face mask pattern also has an option to add an opening for inserting a filter. Pin and stitch all around the mask pieces together leaving one short side open.
It cannot achieve the fit or performance of a mask or n95 respirator and modifying the furnace filter may damage the material.