Perfect Compatibility: Specifically engineered for ResMed AirSense 11, this water chamber fits seamlessly with your CPAP machine to ensure efficient operation and enhanced comfort during therapy. Its precise design eliminates compatibility issues, making it an ideal replacement or upgrade. Enhanced Durability: Constructed from high-quality, robust materials, this water tank is designed to withstand frequent use and cleaning. Its durable nature ensures a prolonged lifespan, reducing the need for frequent replacements and providing reliable performance night after night. Simplified Cleaning Process: Keeping your CPAP equipment clean is crucial for effective therapy. This water chamber features an easy-to-clean design, allowing you to maintain hygiene effortlessly. Regular cleaning ensures that the air you breathe is fresh and free from contaminants. Leak-Proof Sealed Design: Engineered with a focus on reliability, this water chamber boasts a sealed design that prevents any water leakage. This feature ensures that your CPAP machine operates efficiently without any disruptions caused by water escaping the tank. Color: Transparent Material: PVC Package Contents: 2 x Water Chamber Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.