Accessory contents are removed and replaced as part of routine maintenance. Also reduces the infiltration of dust, pollen and other into the air you breathe. In order to achieve the best cleaning and filtering effect, cleaning accessories should be replaced every 2-3 months according to the frequency of use. The function of the sweeping robot filter is to filter the dust, dirt and other impurities inhaled by the sweeping robot to keep the robot clean and operate normally. The filter also prevents dust and dirt from entering the robot's motors and other parts, extending the life of the robot The mop of the sweeping robot is usually used to wipe the ground to remove stains and marks on the ground. The mop picks up dirt and debris for a cleaner floor, allowing for a more thorough cleaning. Color: As Shown Material: plastic Package Contents: 2 x main brush 6 x side brush 4 x filter 4 x mop 4 x dust bag 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.