The prisma20C from Löwenstein Medical is a CPAP device that uses Forced Oscillation Technique (FOT) to distinguish between obstructive and central apnea events. It features a large touchscreen for easy navigation, pressure relief with additional inspiratory support, and smart connectivity options for telemedicine and data analysis. The device is designed for quiet operation and includes comfort-enhancing functions such as autoSTART and autoSTOP, aimed at improving patient compliance and therapy effectiveness.