REUSABLE DESIGN: Made from blended synthetic fibers, our foam pollen filters are designed to capture dust and pollen effectively. The ultra-fine filters, constructed from polyester fibers, help trap smaller particles and reduce odors for a cleaner sleep environment. COST-EFFECTIVE SOLUTION: This package includes 2 foam pollen filters and 6 ultra-fine filters, totaling 8 filters. For best performance, replace the filters every two weeks. This set offers a practical and affordable option for maintaining your CPAP device. PERFECT COMPATIBILITY: Specifically designed for the Dream Station 2 CPAP device, these filters ensure a secure fit and consistent airflow, helping maintain the devices efficiency and delivering clean air during sleep. SIMPLE MAINTENANCE: The filter material is securely attached to the frame, requiring no assembly. This design allows for easy replacement and low-maintenance upkeep. EASE OF INSTALLATION: Installing the filters is simple. Place the ultra-fine filter on top of the foam filter and insert them into the air inlet of your CPAP machine. This setup helps ensure clean, healthy air every night. Color: Gray Material: Plastic + cotton Note: The actual product may vary slightly in color due to lighting and screen settings. This does not affect functionality. Package Contents: 2 x Pollen Filters 6 x Ultra Fine Filters Note: Light reflection and different displays may cause slight color variations. Measurement may vary by +/- 1-3 cm.