1. Filter dust, filter exhaust gas, protect vacuum cleaner motor 2. Filter smoke particles, pollen, dust and other particles 3. Filter is essential to the suction power of the vacuum cleaner. 4. Washable foam filter must be cleaned every 2 weeks and replaced every 6 months 5. Suitable for Philips CP0616 FC9728 FC9730 FC9731 FC9732 FC9733 FC9734 FC9735
