I have :

F&P FlexiFit 431 silicone pieces (cushions) in Large and Medium. Would love to trade for small, but will send for free if you pay postage.

The 431 mask pieces were only tried on. I will wash all pieces again before I send them.

Just had to say that sometimes it really does "just work", right outta the box. I had some trouble with a sore nose and breaking seal, but still sleeping great from day one. Got a new mask after some self-evaluation and think it is just about perfect. Don't be afraid, you NEED to do this AND, have a...

Mabutu could have written my story! The last few months before I insisted on a sleep study, I had a migraine every day and all the retching caused broken blood vessels in the back of my eyes (which at first the doctor said was caused by "uncontrolled BP", but no). I couldn't think straight, couldn't...

I'm sorry you are having trouble! Here are some things that I found out. First, I figured out WHY the mask was leaking. In my case, when I started to doze off, my jaw would drop (my mouth doesn't even have to open) but the jaw drop was enough to break the seal on my first full-face mask. Also, the j...