Not only is the AirTouch F20 Full Face Mask ResMed's most technologically advanced full face mask yet, but it also features a simple design that makes it easy to use and reassemble. The AirFit F20 provides InfinitySeal™ cushion along with a soft and flexible frame that includes integrated padding. The result is a mask that comfortably moves with you and provides a reliable seal throughout the night, regardless of sleep position.