Replacement parts compatible with 850T WLAN robot vacuum cleaner (please confirm your robot model before purchasing). The microfiber mop pad has strong absorption, it can be easily cleaned thoroughly of dirt on hard surfaces. Filters reduce dust penetration, help clean the air of dust, allergens and other particles. The side brush reaches deep into corners and edges to remove more dirt, dust and grime. Color: as shown Material: plastic Package Contents: 1 * Roller Brush 4 * Filters 4 * Microfiber Cloth 4 * Side Brushes 2 * Cleaning Tools Only 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 item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.