Clean brushes keep your home robot at best performance.The side brushes are easily removed and replaced as part of normal maintenance.Filters maintain the cleaning efficiency of the robot while reducing the ingress of dust, pollen and other allergens to the you .For best results, filters should be replaced every 2 to 3 months.Vacuum cleaner accessories are of high quality.It is made of high-strength and environmentally friendly materials.material:plasticColor as shownPackage Contents:2 x brush4 x Filter4 x Cloth4 x Side brushOnly the above package content, other products are not included.Note:Light reflection 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.