Nasal Mask seal attachment compatible with the ESON2 nasal mask range. The ESON2 uses a seak that rolls back and forth, relieving pressure on the bridge of the nose and allowing adjustment to a wide variety of face types. Comes in small The Eson 2 cushion boast the technology which is a component that has remarkable flexibility while maintaining stability. It is adaptive as it glides right over the bridge of the users nose. It is remarkably easy to insert and is able to work with a wide range of facial shapes and sizes. This replacement cushion adjust naturally to fit your specific facial size and shape. With a design like this, it is intended to keep a secure seal regardless of whether the user has minimum movement at night or the user changes into multiple positions throughout the night. Compatibility This replacement compatible with the Eson 2 Nasal Mask by Fisher & Paykel; it will not work with other masks either by Fisher & Paykel