The AirFit F20 features an Infinity Seal™ cushion – the most adaptive we've ever designed – along The ResMed AirFit F20 Large or Medium Mask is designed to fit your lifestyle – featuring magnetic clips, a quick-release elbow and a simple design that make it fast and easy to put on as well as clean and reassemble. The AirFit F20 features an Infinity Seal™ cushion – the most adaptive we've ever designed – along with a soft and flexible frame that includes integrated padding. The result is an intergace that comfortably moves with you and provides a reliable seal throughout the night, regardless of sleep position. Asking $220.00 per Mask Firm ! Sleep Apnea Clinics are asking for this F-20 Masks $300.00 - $325.00 per mask. Any questions call me or Text me directly at 416-670-1123 *** Pick Up Only *** Location is in Vaughan by Canada Wonderland and the 400 Highway.*** Also have Supplies like Heated Hoses , Filters , Water Chamber and Mask Straps for the F20 Masks at an Extra Charge per Item for SleepStyle Machine.