Features:

Auto-adaptation: The groove on the cushion is able to adapt itself to the nose bridge, maintaining low air leakage and limited pressure.

More Comfort: Due to the single-layer transitional design, the cushion touches the nose and face softly.

Liberty of vision: Based on the forehead frame-free design, users can embrace more vision with ease.

Simple structure: It is composed of cushion and main frame only Assembly, disassembly cleaning and cushion replacement can be extremely easy.

 Elbow: Ball-and-socket elbow prevents you from any embarrassment, when turn over at night.

Venting holes: Latest venting design is characterized by limited noise and more reasonable venting direction, which is more far away from your bed partner.