A nasal continuous positive airway pressure (nCPAP) device for use with an nCPAP system, characterized in that:a generator body (30) defines a patient side (36) and an exhaust side (38), and forms first and second fluid flow circuits each including a tube (42) defining a passageway (44a), wherein one or both of the first and second fluid flow circuits includes three or more nozzles (50a, 50b) fluidly connected to the passageway, each of the nozzles extending from an inlet end (52) to an outlet end (54) having a reduced diameter as compared to the inlet end.