Replacement Water Chamber Compatible with AirSense 11 and Aircurve 11, Replacement Humidifier Tank Compatible with S11 Series, Same Capacity As Original, CPAP Supplies and Accessories

["Precision-Fit & Leak-Resistant Design: Designed for a secure fit, this water chamber features an upgraded silicone gasket and durable one-piece molded construction. The tightly sealed base is engineered to help prevent water seepage from the bottom, while supporting reliable daily humidification use.","Precision Compatibility Design: Designed to match the original water chamber in size and key functions, this replacement chamber is compatible with AirSense 11 and AirCurve 11 devices and installs securely into place. Helps maintain reliable humidification performance without extra adjustments.","Durable Material Construction: Made from reinforced, crack-resistant materials for reliable daily use. The sturdy structure helps resist deformation over time, while the treated metal base is designed to withstand repeated heating and refilling cycles. Made with odor-free, quality materials for dependable long-term performance, and secure locking clips help keep the lid firmly in place.","Full-Capacity Humidification & Quiet Performance: Designed with water capacity similar to standard chambers, this reservoir supports extended overnight humidification and helps reduce the need for refills. The precision silicone seal helps minimize airflow leaks and noise for quieter nightly operation.","Streamlined Refilling & Maintenance: Featuring a reinforced hinge and flip-top lid, this water chamber allows quick and convenient refills without fully removing the cover. The removable lid design makes regular cleaning easy. For best performance, weekly cleaning with mild detergent and distilled water use is recommended."]