The Eson™ 2 Nasal CPAP Mask Cushion is the replacement cushion for the F&P Eson™ 2 Nasal CPAP Mask. Included with your purchase is one cushion. Fisher & Paykel patented RollFit™ technology is at the center of the innovative design of the Eson 2 Nasal CPAP Cushion. The Rollfit cushion is adaptive as well as flexible. Because of this, it glides gently over sensitive parts of the nose, like the bridge. This reduction in pressure means a much more comfortable sleep experience. There are many similarities between the Eson, and Eson II mask. However, the Eson II has a much sleeker, slim profile. The slim profile provides greater stability to the mask, without sacrificing comfort, or seal.