Essential CPAP Accessory: The HumidAir Water Chamber is a crucial replacement part for AirSense 10 and AirCurve 10 CPAP and BiPAP machines. It enhances your CPAP therapy by providing humidified air, which helps alleviate common discomforts such as dry mouth and sore throat. Maintenance Tips: For optimal performance, this water chamber should be cleaned manually using warm water and mild detergent weekly. It is not dishwasher safe. Allow it to air dry completely in a cool, shaded area before reinserting it into your device. Regular replacement every 36 months is recommended. Design Update Information: The original AirSense 10 water chamber featured a full metal base. The latest design includes a more compact, circular metal base plate, enhancing the unit's overall durability and functionality. Color: Transparent Material: PVC Package Contents: 1 x HumidAir 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 to appear slightly different from the real thing. Measurement may vary by +/- 13 cm.