The ResMed UltraSoft Memory Foam Cushion for full-face masks can be used for the ResMed AirTouch F20 and AirFit F20 full-face masks. The new and innovative cushions provide a unique contour for a truly personalized fit for every face. The ResMed UltraSoft Cushions are also designed to deliver a lighter, breathable seal across all pressure settings during CPAP therapy. * The softest mask ever designed, featuring an UltraSoft™ memory foam cushion * Light, breathable cushion is designed to seal across a wide range of therapy pressures * Modular frame design allows convenient interchangeability with AirFit™ 20 InfinitySeal™ cushion Compatible With: * AirFit™ F20 Full Face CPAP Mask * AirFit™ F20 For Her CPAP Mask * AirTouch™ F20 Full Face CPAP Mask * AirTouch™ F20 For Her CPAP Mask All size cushions fit the F20 frame which is universal to all F20 cushions. The plush memory foam cushion is designed to conform to the unique contours of each individual face, creating a light, soft, breathable seal that stays in place throughout the night. The AirTouch memory foam cushion cannot be washed instead the cushion should be wiped down with a cloth or CPAP Mask Wipe after each use. Memory foam cushions should be replaced every 30 days.