The Zest™ Nasal Mask is compact, quiet and effortless to use. It affords superior comfort for the user. The design is highly innovative and a combination of the Easy-Clip Silicone Seal and Advanced Air Diffuser. These are dependable technologies that only Fisher & Paykel Healthcare products have. The Zest™ Range of Nasal Masksa are easy to use and securely seal and the perfect solution for patients."