FWIW...vinegar didn't whitening the mesh enough to suit me. I did it as a last resort because I hate the smell of vinegar.
It is worth trying though just in case.
I think the mold actually puts a permanent stain in the plastic that nothing will remove.
I also tried a toothbrush and straight bleach (I already figured it going in the trash by then anyway) and that didn't even whiten enough to suit me and that's with letting it soak a bit.
Maybe mine was simply too far gone for too long....maybe yours isn't. I dunno because I can't see yours and even with pictures it's real hard to see the subtle changes in the color of the plastic.
The mold itself is easy to remove but the stain left is extremely difficult and I didn't want to risk it myself.
EBay...complete package with everything...$65 including shipping...act quick before the ebay police pull it because it is for a complete mask package if you want it.
http://www.ebay.com/itm/NEW-RESMED-AIRF ... SwHsRYEDVm
Just checked...no frames by themselves on Ebay today but you never know what might be on there later.
I haven't had time to check Amazon.
If I spot something later on Amazon I will post it.
I may have to RISE but I refuse to SHINE.