1. Filter dust, filter exhaust gas, protect vacuum cleaner motor 2. Filter smoke particles, pollen, dust and other particles 3. The filter is crucial to the suction power of the vacuum cleaner. 4. The filter must be cleaned every 2 weeks and replaced every 6 months 5. Suitable for Philips FC6812 FC6812/01 FC6814 FC6823 FC6827 FC6908
