The S9 Auto 25 delivers an auto-adjusting EPAP and pressure support to OSA patients with varying night-to-night pressure needs. Utilizing the proven, Enhanced AutoSet algorithm, the device can detect a number of breathing events including central apneas and respond to obstructions or flow limitations appropriately. Based on the award-winning S9 platform, the S9 Auto 25 provides comfortable therapy in one intuitive and easy-to-use system.