An oxygen deliver system for supplying oxygen from a supply tank under pressure to a patient wearing a nasal cannula is provided. The system includes a first tube connected at a first end to the oxygen supply tank for receiving oxygen therefrom, a swivel connected at a first end to a second end of the first tube, a second tube connected at a first end to a second end of the swivel and connected at a second end to the nasal cannula for delivering the oxygen to the patient, and a receiver for limiting movement of the swivel such that the first and second tubes are retained in position and allowed to revolve around the swivel.