Quote:
Originally Posted by coffeebean
I don't plan on being on the front lines in close contact with Covid-19 patients.
Did the studies assess double and triple thickness of all materials? How about adding a filter such as a paper towel or a coffee filter or a hepa filter vacuum filter bag? I would imagine that would add a bit more efficiency to the home made masks.
Something is better than nothing.
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Yes, increasing thickness of certain materials helps a little and different materials such as tea towels are pretty good, pillow cases are not too bad - but you also have to consider breathability . You won’t wear something that is too difficult to breathe through.