This BLUE Gel Nsal Cushon features a new generation, soft, pliable gel that readily adapts to facial features, thereby simplifying fit and contributing to overall comfort. The included Secure Seal Technology (SST) Comfort Flap fits over the gel cushion to improve overall seal and help extend cushion life.
COMPATIBILITY
BLUE Gel Nsl Cushons and SST Comfort Flaps are supplied with all Comfort Gel BLUE Nsl. They are also compatible with Comfort Gel Original Nsl.