I, too, just came across this post and read with interest. 3 years ago, my sleep doctor handed me my prescription along with a printed form with a list of (if memory serves) 4 or 5 different suppliers that I could pick and choose from. The one that I did choose seemed competent enough and I walked o...

Greetings all, I have a question about the F&P Flexifit 405 nasal mask. I actually find it fits quite well and am comfortable using it EXCEPT that it sounds like a jet engine when I breathe. I can't believe how loud it is compared to my other masks. This is the one that has the little oval diffuser ...