Replacement seal rings for the ResMed Mirage Swift Nasal Pillows nasal mask system. On one side of the frame, the seal ring is mated with the Mirage Swift cap to prevent airflow out of one side of the mask frame. On the other side of the Mirage Swift frame, the seal ring is mated with the Mirage Swift Short Tube which leads to standard CPAP tubing. Fits the Mirage Swift and Mirage Swift II Interfaces.
