Questions? Leave a comment below! Exclusively for use with AirSense 10 CPAP & AirCurve 10 BiLevel machines, ResMed's ClimateLineAir Heated Tubing adjusts heating and humidity through the night to protect against rainout and deliver constant, comfortable temperature and humidity levels. When a ClimateLineAir tube is attached to your AirSense 10 CPAP machine it will automatically engage a special Auto Climate Control Mode. Auto Climate Control monitors temperature and humidity levels at the mask and in the breathing tube, and adjusts automatically as required to reduce rainout and achieve optimum temperatures and humidity levels for a comfortable sleep therapy experience. ClimateLineAir Heated Tubing also features a 360º swivel for increased freedom of movement without kinks or dragging. NOTE: This product was originally released as part number 37296. In 2024 ResMed updated the part number to