replacement frame/cushion for small comfortgel nasal mask comfort gel the comfortgel blue nasal cpap mask by respiroincs has angled exhalation micro ports to help reduce airflow noise. this is a nasal mask that covers solely the nose to deliver air. the comfortgel nasal mask frame has not changed, so the new comfortgel blue nasal cushions and original gel nasal cushions are interchangeable. headgear is not included.