HEPA filter and side brush: perfect for laminate floors/wooden floors/wall tiles. The replacement filter does good work when picking up the dandruff hair. If you have pets, it is perfect to keep your house clean. (Note: When you use the rollers for the first time, there may be noise. If you use for a while, it will disappear.) High performance: the HEPA filter is beneficial for asthma and allergy sufferers, as HEPA can remove particles such as pollen, dust and spider faeces, which cause symptoms of asthma and allergies. Replace and clean: we recommend replacing it 6 to 7 . (Note 1:If the brush is bent due to transport, just place it in warm water to , and it can continue to use.Note 2:Please do not wash HEPA filter with water. You can clean it with a brush. Tear-proof and dimensionally stable accessories are ONLY for Deebot 8 T8 + T8 T8 Max N8 Pro N8 Pro + T9 T9 + robot vacuum cleaner. colour:Black+white Material:plastic Package Contents: 1 x main brushes 3 x HEPA 3 pairs x side brushes 4 x Dust Bags 4 x Mopping cloth Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.