Only compatible with DEEBOT OZMO 930 The accessories should be replaced every 2 - 3 weeks to keep operating at Good value, reusable, long lasting Color: yellow + black material: plastic Compatible with: ONLY for DEEBOT OZMO 930 Robotic Vacuum Cleaner. Other Models are not compatible. Replace side brush instruction: 1.Loosen the side brush with a clamp 2.Remove the side brush, reinstall the new side brush. How do replace your filter: 1.Take out the dirt bin. 2.Remove the filter on the dirt bin and throw it . 3.Put a new filter into the dirt bin. 4.Put the dirt bin back into its slot on top of the robot. Keep your vacuums running at , the side brush should be replaced every two months Package Contents: 1 x main brush 3 x Filter 4 x Side Brushes Only the above package content, other products are not included. Note: Light 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.