HEPA Filter:Effective HEPA Filter for Xiaomi robotic vacuum cleanerUnique design, easy to clean the dust boxdurable in use.Clean brushes keep your home robot operating at peak performance.Filters maintain cleaning performance while reducing infiltration of dust, pollen and other allergens into the air you breathe.It is best to replace spare parts every 2 to 3 months to keep the machine running at its best performanceName: Vacuum cleaner accessoriesMaterial:plasticcolour:White+black+yellowPackage Contents:16 x filters2 x cleaning toolsOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.