Get maximum flexibility with settings or indication-specific pre-settings (SCOPES). prisma25ST leaves room for the right tailor-made solution based on patient needs. It is perfect for patients with obstructive, mixed or complex sleep apnea with comorbidities. The automatic back-up frequency, simple operation with touch technology and many process and comfort-promoting functions make prisma25ST a reliable, effective and whisper-quiet BiLevel ST therapy device Made in Germany.