Compatible model: accessories for T9, T9+, T8, T8+, T8MAX, N8, N8+, N8 Pro, N8 Pro+, T8 , 920, 950, N7 robot vacuum cleaner. You can easily remove dirt and dust on the corners and edges. Highly efficient and clean roller brush: With the roller brush, dirt, dust, hair and small residues can be quickly removed from the floor. It can also completely remove dirt and keep the floor clean. It is especially suitable for families with pets. Clean the corner dust effectively with the side brush: the side brush can effectively clean the corners and edges of the furniture. It can push dust, hair and other dirt to the suction mouth of the robot and thus make the entire room cleaner. filter: the filter can reduce the wear of dust and dirt on the inner parts of the robot. Regular cleaning and replacement of the filter can extend the life of the robot and reduce the frequency of maintenance or spare parts. This accessory is easy to install and replace. To keep the vacuum cleaner in the best condition, we recommend replacing the side brushes and filters every three months and the roller brushes every 5-6 months. Material: plastic colour: As shown Package Contents: 1 x roller brush 4 x side brush 2 x filter 2 x filter cotton 1 x cleaning brush Only the above package content, other products are not included. Note: Light reflection 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.