Fit for ILIFE V3 V5 A6 A4 A4s Robot Vacuum CleanerEasy to remove and replace as part of routine maintenanceThe brush should be replaced every 2 - 3 weeks to keep operating at peak performanceColour: Blackmaterial: plasticReplace side brush instruction:1.Loosen the side brush with a coin or small screwdriver.2.Remove the side brush, clean the side brush and the brush post, and reinstall the side brush.Package includes:20 x Side BrushOnly 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.