Ensure cleaner, healthier air with the GoodKnight 418 A/G/P/S Foam Filter, designed for advanced filtration and optimal CPAP performance. This high-quality foam filter effectively captures dust, dirt, and larger particles, preventing them from entering your CPAP machine and ensuring smoother airflow. Easy to clean and replace, the GoodKnight 418 Foam Filter helps extend the life of your device while improving air quality for a more comfortable sleep experience. Perfect for CPAP users who want reliable, long-lasting filtration to enhance their therapy and maintain a hygienic sleep environment.