ComfortGel Nasal Mask Makes it easier to fit patients right the first time ?even hard-to-fit patients. At its core is an exceptional cushion that combines customizable blue gel with a proven dual layer cushion design. This combination gives you the comfort, fit, stability and seal characteristics you?e come to expect from Comfort Series masks. The superior cushion is paired with the StabilitySelector that tilts the mask to allow for an optimal seal. The forehead support and pad automatically adjust to ensure proper forehead placement and angle. The built-in ?ilent?exhalation port and ball-and?ocket headgear attachments add up to a superior mask that can help your patients stick to their therapy.