【High-efficiency filtration】 Can be used as a sieve to separate impurities from the exhaust gas of Philips vacuum cleaners. It can filter fine dust particles with a diameter of no more than 40 μm (= 0.04 mm), such as dust, smoke particles, bacteria, viruses, pollen and mites. 【Washable and reusable】 Made of high-quality environmentally friendly materials with good compatibility and durability, the filter and foam can be washed and reused after drying. The exhaust filter of the Philips vacuum cleaner can be dried by tapping and cleaning. 【Optimal performance】 The quick replacement of accessories has a positive effect on the usage effect and the service life of the machine. To improve the performance of your vacuum cleaner filter, it is recommended to replace the Philips Speed Pro Max vacuum cleaner filter every 2 to 4 months. The service life may vary depending on the frequency of use. 【Compatibility】 Compatible with vacuum cleaner filters for Philips SpeedPro Max, SpeedPro Max Aqua