[Hepa Filter] The HEPA filter is made of high-strength environmentally friendly materials, which can block most dust down to 0.3 microns. The filter can maintain the cleaning performance of the sweeper, while reducing the penetration of dust, pollen and other allergens into the air you breathe. Easy to assemble: The filter is located inside the dust container. Remove the dust container by grasping it firmly and pulling it outwards. To empty the dust container, find the release latch and pull it open and empty it. Remove the old filter, then put the new filter back in the dustbin. Replacement filter: A dirty filter will significantly reduce suction power. Depending on the frequency of vacuuming and the amount of dirt cleaned, for best performance, change the filter at least every 3 to 6 months. The fine preliminary filter traps large particles in the air such as dust, hair, pet hair, lint and more Made of high quality material, more . Applicable model: For S8 For S8+ For S8 PLUS For S8