The Eson 2 nasal pillow CPAP mask was designed for performance and comfort. The Intuitive headgear provides includes multiple fitting options and once set the Eson 2 CPAP mask lets you stretch it directly over the head. The FandP Eson 2 features VisiBlue which makes putting it together a breeze. The Eson 2 from Fisher and Paykel uses their exclusive RollFit Seal to provide you with a reliable, adaptable and effective seal. The RollFit Seal allow the CPAP nasal pillow to roll back and forth which reduces pressure on the bridge of the nose. The mask diffuser is durable and washable. Great sleep apnea therapy comes easy with the Fisher and Paykel Eson 2 nasal pillow CPAP mask.