Check the listing for details. ResMed AirTouch F20 Cushion Medium 1 Pack. Condition: New with box. Listed at 21.68 USD. Resmed AirTouch F20 Cushion Replacements The ResMed AirTouch™ Full Face cushion is able to be uséd with the AirFit™ F20, and the AirFit™ F20 for Her Full Face CPAP Mask. Available in Small, Medium and Large; All size cushions will fit any F20 frame. 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. This package includes 1 cushion of your selected size, you cannot mix and match sizes. **the AitFit F20 frame is displayed for illustrative purposes only** ARTG Number: 300768 This Product is approved for sale under Australian Therapeutics Goods Act ARTG 300768, therefore it doesn't require prescription.