Fisher & Paykel H Inc Opus™ 360 Nasal Mask without HeadgearThe Opus™ Nasal Pillows Mask is small, quiet and superbly comfortable with an anatomical pillow-style silicone seal, and facially contoured headgear with reinforcement for extra stability. The ball-and-socket-styled joint combines with the innovative anchoring system to give unprecedented stability and freedom of movement.

• Fit-and-Forget.
• Premium Frosted Silicone Seal.
• Anatomically Shaped Nasal Pillows.
• Reinforced Contoured Headgear is Available (But Not Included with This Item).
• Tube Anchoring System.
• Efficient Bias Diffuser (Maintenance Free).
• Soft-Lip Cushion.
• Includes all three cushion sizes - small, medium and large.