(06-01-2015, 06:41 AM)drgrimes Wrote: You will have to experiment with varying mask tightness. I think the tendency is to over tighten. It should be slightly loose until the pressure inflates the mask. Should not be so tight that it hurts or leaves indentions.
Mask tightness depends on pressure, mask, facial topography and probably a few other things. One should keep the mask as loose as one can without leaks but on the other hand as tight as needed to eliminate leaks.
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