Covering both the nose and the mouth, the ComfortFull 2 is designed to comfortably accommodate people who tend to breathe through the mouth while sleeping. The dual-layer, polished cushion provides a comfortable fit and superior seal. And the adjustable StabilitySelector™ helps make for a more personalized fit.

The interactive graphic below is designed to show the proper positioning of the ComfortFull 2 as well as some of the more common fitting mistakes that can easily be avoided.