Provide stability so the mask doesn't move around when you switch positions Silicone Nasal Pillow: Replacement cushion with pillows for CPAP mask; under-the-nose coverage Dual-Wall Technology ...
Instead of a mask like a PAP device, you wear a mouthpiece. It connects by a tube to a vacuum that puts your tongue in the right position to help your airways stay open as you sleep. Nasal dilators.