JOYCE One nasal is the full face mask where the mask cushion and forehead cushion have been developed to adapt automatically to the shape of your face, with the goal of making your therapy comfortable and effective. With JOYCE one nasal you will also see how easy it can be to handle a ventilation mask. Thanks to the color-coded headgear and clips, you can quickly assemble JOYCEone nasal correctly. JOYCEone is also available as a nasal mask. One size fits and adapts to most faces.