Maintain clean airflow and consistent CPAP performance with the ResMed AirSense 11 Filters 12 Pack. Designed for everyday filtration, these filters trap dust and airborne particles before they reach your airway, helping protect your device and support comfortable therapy. With 12 filters included, this pack provides a convenient long-term supply—typically covering 12–24 months depending on your environment. Regular replacement is essential to maintain hygiene, airflow quality, and device longevity.