Compatible with Philips Vacuum Cleaners: Hepa Filter Replacement for Philips SpeedPro & SpeedPro Aqua FC8009/01 FC6721 FC6722 FC6723 FC6724 FC6725 FC6726 FC6727 FC6728 FC6729 High Quality: The filter kit is made of high quality soft material with high filtration performance. It can absorb the vacuum cleaner's suction power for pet hair, pollen, mites, large dust particles, etc. To ensure this, you should replace the filter at least every six months (more often for households with children, pets or smokers). Warm Maintenance: The foam filter is washable and reusable after drying, we recommend that the filter can be used for 2-3 months, then it should be replaced and cleaned. We recommend that the filter can be used for 2-3 months, then it should be replaced and cleaned. Highly efficient filtration: A filter helps capture up to 99% of particles in the air as small as 0.3 microns and remove particles such as dust. To remove particles such as dust. They are super powerful and prevent fine