Advanced Protection: Mask with 3 layers of fabric and 1 filter pocket/Simple Tutorial/Homemade

Hi everybody!
Last time I received a lot of questions about masks with filters.
Today, I will show you this mask form with filter pocket that has a very breathable filter, the fabric does not touch the mouth and nose.
It's easy to do.
Invite you to watch.

Link to download pdf templates:
http://trefa.vn/DIY Trefa Youtube/
Find to choose from number 41
You can follow the instructional video:https://youtu.be/U78vrYzIJxA

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Видео Advanced Protection: Mask with 3 layers of fabric and 1 filter pocket/Simple Tutorial/Homemade канала Trefa DIY