Only compatible with OZMO 930 The accessories should be replaced every 2 - 3 weeks to keep operating at performance Good value, reusable, long lasting Color: yellow + black material: plastic Compatible with: ONLY for 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 away. 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 performance, 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.