ResMed AirTouch F20 Memory Foam Replacement Cushion Size:Small with oxygen concentration between 87–96%

with oxygen concentration between 87–96% at all settings

ResMed AirTouch™ F20 Full Face CPAP Mask

ResMed AirTouch™ N30i

Building on the original Eson

It is best suited for users who want lower-cost backup power and understand that a refurbished battery will not perform the same as a brand-new battery

ResMed AirTouch F20 Memory Foam Replacement Cushion Size:Small with oxygen concentration between 87–96%The ResMed AirTouch F20 Memory Foam Replacement Cushion uses UltraSoft memory foam to deliver a softer, quieter alternative to standard silicone cushions. It's the direct OEM replacement for the AirTouch F20 mask, designed to restore comfort and seal performance as your current cushion wears down. The memory foam molds to your unique facial contours, creating a personalized fit that helps reduce air leaks and pressure points a good option for users