A nasal assembly includes a patient interface including a hollow body that defines an air chamber and a pair of nozzles supported by the hollow body. Each nozzle includes a conical tip structured to sealingly communicate with a respective nasal passage of a patient's nose in use. Headgear is provided to the patient interface so as to maintain the patient interface in a desired position on the patient's face in use. The hollow body is bendable to adjust a position of the nozzles in use.