REUSABLE DESIGN: Crafted from blended synthetic fibers, our foam pollen filters are engineered to trap dust and pollen effectively. The ultra-fine filters, made from polyester fibers, are designed to capture smaller particles and help neutralize odors for a refreshing sleep environment. COST-EFFECTIVE SOLUTION: This package includes 2 foam pollen filters and 6 ultra-fine filters, totaling 8 pieces. For optimal performance, it is recommended to replace the filters every two weeks, making this kit a budget-friendly choice for maintaining your CPAP device. PERFECT COMPATIBILITY: Specifically designed for the Dream Station 2 CPAP unit, this filter kit ensures a seamless fit and proper function. The filters maintain excellent airflow, helping to preserve the device's efficiency and deliver clean, fresh air during sleep. SIMPLE MAINTENANCE: The filter material is permanently attached to the frame, eliminating the need for complex assembly. This design simplifies the replacement process for easy maintenance. EASE OF INSTALLATION: Installing these filters is simple. Place the ultra-fine filter on top of the foam filter and insert them into the air inlet of your CPAP device. This setup helps ensure clean, healthy air every night. Color: Gray Material: Plastic + cotton Note: The actual product may have slight color variations due to lighting and screen settings. This does not affect functionality. Package Contents: 2 x Foam Pollen Filters 6 x Ultra-Fine Filters 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 +/- 1-3 cm.