1. Clean brushes keep your home robot at best performance.2. The side brushes are easily removed and replaced as part of normal maintenance.3. Filters maintain the cleaning efficiency of the robot while reducing the ingress of dust, pollen and other allergens to the air you breathe.4. For best results, filters should be replaced every 2 to 3 months.5. Vacuum cleaner accessories are of high quality. It is made of high-strength and environmentally friendly materials.The accessories are easy to remove dirt, dust, and trash in corners and edges effectively. Especially your hair and your pets hair.Accessories parts are durable and easy to install, Make your robotic vacuum cleaner and longer.Compatible Modelsfor Xiaomi Mi Robot Vacuum Mop Profor Xiaomi Mijia LDS Navigation Robot Vacuum Cleanerfor Viomi V2for Viomi V2Profor Viomi V3for Viomi SEfor Conga 3490for Minihelpers Hydra S7(Model Names: STYJ02YM V-RVCLM21B)Colour:As shownMaterial:plasticPackage Contents:1 x roller brush2 x side brush2 x hepa filter2 x mopOnly 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 measurement allowed error is +/- 1-3cm.