Sorry. I didn't get into details but will: Any filter should NOT be absorbent like a tissue or paper towel. It should be of nonwoven material like some nonwoven fabrics and some "shop towels" are (as someone mentioned here earlier). I agree, there's no way to know about any filters, or masks, made in some random factory in China. But it's been pretty consistent from early on that nonwoven materials could be used as filters. I've seen furnace filters and vacuum bags mentioned but would not necessarily use them as some have fiberglass, or other fibers no one should breathe. A LOT of sites have a million different masks now and many are crappy and it's difficult to navigate any official guidelines for masks (other than N95s) on any federal websites. I've tried. But I still want some form of filter many places, especially for my DC who will be inside at least some, enclosed, air-conditioned or heated buildings at college. And we know that the virus lingers in air, and that HVAC can spread it (look up the Chinese restaurant cluster early in the pandemic, where the flow of forced air in a restaurant directly contributed to spread). If |
| Gap has 2 layers of all cotton with nose wire. My favorite are Auntikilljoy on Etsy. |
False. There’s mounting evidence that masks do protect the wearer. It’s kind of obvious anyway that they form a barrier (if imperfect). As my MIL who is a public health nurse married to a doctor, medical professionals have historically worn masks with patients and it’s not because they are protecting the patients (though in surgery they are). |