The product is made of high-strength, -friendly materials to optimal performance and a healthier .To achieve the cleaning and filtering effect, cleaning accessories should be replaced 2-3 months according to the frequency of use.Easy to install and remove without extra effort and time.It can be removed and replaced as part of normal maintenance.Cleaning accessories keep your home robot performing at .Product Category: Sweeper AccessoriesApplicable models: For X1Function: CleaningColour:Photo ColorMaterial:plasticPackage Contents:1 x Roller Brush2 x Only the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real . The measurement allowed is +/- 1-3cm.