Indication:? \n? Revolizer is a dry powder inhaler (DPI) device which is the result of a design and development program to address the critical requirements of an ideal inhalation device. \n? It provides accurate dosing and greater lung deposition even at low inspiratory flow rates combined with ease of use. \n? It provides an improved respirable fraction while adding style and modern design to give patients a revolution in inhalation therapy. \n? Besides, it is an extremely simple device. The user has to open the device, insert the DPI capsule, and shut the device and then inhale.