【Perfect Compatibility】 Designed to match the AirSense 11, AirCurve 11, and all S11 series perfectly.  No gaps, no wobbling — easy replacement that fits just like the original.
【Sealed Design】 The tight sealing design and solid structure can effectively prevent water leakage and help maintain stable operation during use.
【Durable for Long-Term Use】 Made of 316 stainless steel and high-quality plastic, it is heat-resistant and anti-deformation.  Standard 380ml water capacity allows for the regular use of your CPAP machine without any interruptions.
【Easy to Install and Remove】 Tool-free replacement makes daily use simple.  Ideal for quick swaps and easy handling, even for seniors or users with limited hand strength.
【Simple to Clean】 Wide opening and straightforward design make handwashing quick and effortless — saves time and hassle in daily cleaning routines.  It is recommended to replace it as needed every 3-6 months on average.