F&P SleepStyle Auto CPAP Machine ThermoSmart Heated Hose Tubing Variant Rest assured you are getting Size:Large 60149 Rest assured you are getting the therapy you need with the contoured shape directing all the air into your nostrils minimizing possible air leaks The height of the durable tabletop is infinitely adjustable and can be angled to place it in the ideal position for you It includes an internal heated coil to help prevent "rainout" and improve humidification levels during sleep apnea therapy make sure the connectors on the ThermoSmart Breathing Tube click into position with the ThermoSmart connection on the back of your Sleep Therapy Device