1. Clean brushes keep your home robot performing at its best. 2. Side brushes are easily removed and replaced as part of normal maintenance. 3. Filters maintain the robot's cleaning efficiency while reducing the entry of dust, pollen and other allergens into the air you breathe. 4. For best results, filters should be replaced every 2-3 months. 5. The vacuum cleaner accessories are of high quality. It is made of high-strength and environmentally friendly materials. 6. Accessories are easy to effectively remove dirt, dust and litter from corners and edges. Especially your hair and your pet's hair. 7. Accessory parts are durable and easy to install, make your robot vacuum longer. color: as shown Material: plastic Package Content: 4 x side brushes 4 x hepa filter Only the above package, 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 allowable measurement error is +/- 1-3 cm.