Universal and compatible with all CPAP machines. The QTube noise reducer can be used with any CPAP machine to help reduce airflow noise in the tube. The QTube is about 3 inches long and weighs about one ounce. Includes a 6-inch short tube.
The QTube includes a replacement kit consisting of:
1. extra foam baffle
2. extra O-ring
3. extra plastic sheath
The QTube is in stock and shipping now!