Quote:
Originally Posted by jarodrig
It’s amazing that you can breathe through all that at all !!!!
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Sounds difficult to breathe through but it really isn't. It is also very comfortable and fits against the face very nicely. The doctor who came up with this design tried several prototypes for the mask says it is good for 4 hours before you should change the mask. I like that it is disposable and it takes me about a minute to put it together.