Fisher & Paykel (F&P) Simplus Full Face Mask Seal/Cushion - Medium, Auto-Adjusting.

Auto-adjusting to optimize an effective, comfortable seal. The one-piece seal 'rolls' back and forth on the bridge of the nose. This automatic adjustment minimizes pressure on the bridge of the nose.

• Auto-adjusting during sleep to reduce pressure on hard to fit areas, like the bridge of the nose.
• Simplus cushion features RollFit (TM) technology.
• Increases overall seal and comfort.