This heated tubing is compatible with DreamStation or System One 60 Series CPAP machines by Philips Respironics. When connected to the humidifier, the heated tube can be set to one of five heat settings or turned off if desired. Heated tubing only, machine sold separately. 
 
Features of the Respironics Heated Tubing: 
Improves Humidification
Rainout Protection
Controls Air Temperature.  
 
The is a replacement tube that is used with the Humidifier. When the tube is connected to the humidifier, the temperature can be set to one of five heat settings, or turned off if desired.
The Heated Tube can increase therapy comfort by helping to maintain heat and moisture. The Heated Tube maintains the temperature of the air delivered to the patient, from the machine to the mask, Preventing Rainout, even if the temperature in the room drops during the night.
 
If the humidifier is not being used, the heated tube can be connected directly to the machine, although it will not heat.