Resmed - 37299. An advanced heated humidifier that is simple to use and effective in maintaining humidity levels for a comfortable experience. When used with the ClimateLineAir heating tube, it warms the air to a constant and comfortable temperature limiting the formation of rain. It is designed to provide relief from dryness, congestion and condensation. Compatible with all AirSense 10 and AirCurve 10 therapy devices.