This is a new, alternative gel cushion that fits on the Comfort gel¬ Nasal Masks.
There are three (3) different frame sizes for the ComfortGel. Only the sizes Small and Medium cushions fit onto the same frame
Improved Gel Cushion Technology¬†:
Respironics has improved the ComfortGel material. The gel is now softer and conforms to your face with greater ease. Use the separate silicone membrane that snaps on, over the gel cushion, to increase the life of the cushion and provides a unique Sure Seal Technology (SST), contouring a seal around the Gel Cushion.