I like this post by Jennifer Maker that helps you determine the best fabric for your DIY Face Mask and it also talks about filter fabrics. After reading it, I decided to switch from using a 30 MERV air filter as filter fabric to using fabric-like reusable grocery bags. I’m simply cutting up the resuable grocery bags I have and inserting them into the cotton face masks I am sewing.
Be sure to checkout my DIY Face Mask Resources post that rounds up everything I’ve shared to help you make your own face masks (with or without a sewing machine).
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