Compatibility: Specifically engineered to fit for AirSense 11 machines, ensuring seamless use. Superior Air Filtration: Crafted from ultra-fine synthetic material, these filters excel in trapping dust, pollen, and other airborne particles. Convenient Design: Designed for ease and efficiency, these filters can be replaced quickly without the need for any tools. Optimal Performance Maintenance: To achieve and maintain the highest performance of your AirSense 11 machine, it is advised to replace the filter every 15 days. These replacement filters are tailored to enhance the efficiency of your machine, ensuring a cleaner and healthier airflow. The advanced filtration technology helps maintain a clear and safe breathing environment during therapy. Regular replacement prevents build-up and ensures the and effectiveness of your device. Color: As Shown Material: Cotton Package Contents: 100*filter 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.