The comfort full 2 designed to provide the comfort ,seal and support.Eliminating pressure on the nose bridge.It has contoured cushions and flexible design.Durable construction, a lightweight design, improved seal capabilities and softer dual-layer cushioning.More reliable seal for better CPAP and BiPAP Therapy.The redesigned cushion and faceplate are now just one lightweight piece.Split washer for better swiveling of the elbow; and a more secure and standardized connection make the ComfortFull 2 a great improvement on an already great mask.