The Propellaire Protective Nasal Gel Pad is the best way to prevent leaks, irritation, redness, and soreness while using your CPAP mask. Designed with a smaller surface area, the Propellaire gives you maximum protection where you need it the most without sacrificing comfort to ensure a full night's sleep. Works with most Full Face and Nasal masks and is flexible enough to conform to practically anyone's facial features, creating a tight seal to optimize your CPAP therapy. Wake up feeling refreshed with the Propellaire!