The ResMed AirSense‚Ñ¢ 10 HumidAir‚Ñ¢ Water Chamber is an essential component for those using ResMed AirSense‚Ñ¢ 10 machines. It is also compatible with AirCurve‚Ñ¢ 10 BiPAP devices. It ensures that your airway stays hydrated throughout the night, preventing discomfort and dryness. The HumidAir‚Ñ¢ Water Chamber, also known as the humidifier chamber, is specifically designed to provide an improved sleep experience by adding moisture to the air and is meant to replace the standard water chamber that comes with the machine.