Clean brushes keep your home robot at best performance. The side brushes are easily removed and replaced as part of normal maintenance. Filters maintain the cleaning efficiency of the robot while reducing the ingress of dust, pollen and other allergens to the air you breathe. For best results, filters should be replaced every 2 to 3 months. Vacuum cleaner accessories are of high quality. It is made of high-strength and environmentally friendly materials. Model:For M7 Pro / S31 / Q6 / V980 Plus Robot Vacuum Type:Vacuum Cleaner Accessories Application:Wooden Floor, Ceramic Tile, Marble, Etc Applicable Occasions:Living Room, Bedroom, Kitchen, Etc Colour:As Shown Material:plastic+cloth Package Contents: 2 * Main Brush 4 * Dust Bag 4 * Filter 4 * Side Brush 4 * Mop Cloth 1 * Screwdriver 1 * 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.