Prisma Smart CPAP machine is made by Lownstein Medical Technology, Germany. Vala Darman Amirkabir company guarantees all its respiratory aid products for 2 years and undertakes to provide 10 years after-sales service for all its products. CPAP Prisma Smart respiratory aid device is one of the most reliable and best global brands that helps to improve the respiratory condition of patients in the treatment of acute respiratory diseases. It should also be mentioned that the Prisma Smart device is one of the most widely used and most reliable devices in eliminating obstructive breathing interruptions during sleep, which can eliminate all breathing interruptions with reliable and stable control of inspiratory pressure.