The F20 full face has been designed to fit the majority of CPAP users. This is the follow-on interface from the successful F10 Full Face interface and has taken comfort to a new level. The new Innovative Infinity Seal has been designed to fit everyone, tolerate misfitting and accommodate patient movement. The new frame has been designed to be flexible and support a wide range of facial types. Taking up where the F10 left off this interface provides excellent vision as it has no T piece. The magnetic clipping system is very strong and removes the issues with difficulty in clipping the headgear back to the frame. This interface has been tested for comfort and Fit and Resmed report that in their own international studies it showed it fit 96.5% of patients. The F20 has particularly been successful on high pressures and with varied facial shapes. Recent Resmed preference trials have shown that the F20 interface was preferred over other leading brands in 86% of cases. The F20 also offers variable sizes with a Small, Medium and Large size option as well as variable headgear size with a For Her version designed for smaller head shapes This interface is all inclusive and includes the frame, headgear, cushion and elbow and is all that is needed to use.