• wearegoodatthis

Fast, No Sew: Add a Filter to Your Cloth Mask

Updated: Aug 24


This is not medical advice. Step-by-Step instructions with photos at the bottom of the post. If you have a cloth mask, that's better than nothing, but the potential protection can be increased by adding a filter.


I read that this filti material blocks 84.03% of particles when it was tested -- 1 layer of filti + cotton. (You could try the steps below with other materials.) This is not the same as a N95 mask -- which blocks 95% of particles, but it is better than nothing and better than just cloth.

https://filti.com/product/filti-face-mask-material/

https://www.businessinsider.com/the-materials-that-filter-particles-best-in-homemade-masks-testing-2020-4

It takes a few seconds to make a filter -- and 1-2 minutes to add a filter to your mask.


Each filter which I rotate is made of 2 layers of filti material.

-- more than the 1 that was tested, by gluing 2 pieces together.


I rotate what masks I wear daily and have 7 or 10 masks that I rotate.

In theory, particles of coronavirus can live up to 72 hours or maybe a week at the longest on surfaces.


** If you rotate and use a different one each day, in theory, you don't have to wash them, any coronavirus particles will be dead 1 week later when you use that filter again.


However, I do wash my masks after I'm in public places.


And through this fast, no-sew method, you can remove the filter before washing the cloth mask.




What I used:

- Cloth masks

- Velcro dots

- Filti material (piece that was 4" x 11", which was folded in half for 2-layers of filti material for each filter)

- Hot glue gun













For each mask,





1.) I cut a strip of filti cloth that was about 4" x 11".


2.) Then I folded it in half and hot glued it together, so the resulting piece was about 4" x 5 1/2", but 2 layers thick.


3.) Cut the edges off in a rounded fashion, so it looks like the basic shape of your mask and fits inside your mask.

-- Note: You do not want to cut too much off because you want your nose and mouth to be covered by the filter material.


4.) Add 4 velcro dots of the same type (fuzzy or prickly) on the filti material with hot glue.

-- Note: You do not have to be perfect with your placement of the velcro dots; see Step 6.

-- You could try 2 instead of 4 and it may stick in place just as well.

-- Note: You could sew the velcro dots in place if you want; it was faster for me to use hot glue.


5.) Add 4 velcro dots of the same type (fuzzy or prickly), but opposite of the filti material to your cloth mask with hot glue.


6.) Additional step for when you wear it, you want your filter to fit within the curve of the mask, so it's comfortable for you -- so you don't need to or want to match up the velcro dots exactly. The filter may only be attaching to half of each of the velcro dots; that's fine. It will stay in place.


That's it!


I looked it up and it is possible that the velcro dots / hot glue may come off in the laundry machine. Worst comes to worst you hot glue more dots. I've been hand washing the cloth masks with no problems.


To add a filter to a scarf or handkerchief and make a mask, check this link out:

https://www.wearegoodatthis.com/post/fast-no-sew-masks-filti-material-for-resuable-masks


Give it a try! We are good at this!




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