The HumidAir water chamber is designed to seamlessly integrate with your AirSense™ 10 or AirCurve™ 10 CPAP machine, adding moisture to the air to prevent dryness and irritation in the nose and throat, thus promoting a more comfortable sleep experience. It's built for easy use, being simple to fill, clean, and maintain, ensuring optimal hygiene and performance. Compatible with all AirSense 10, AirStart 10 CPAP machines, and AirCurve 10 BiLevel machines, it has a chamber capacity of 380 mL.