Made of high-quality materials, more durable.Side brush allows your vacuum cleaner to reach deeper into the carpet for a more thorough cleaning.Uniquely designed brushes with rubber treads to adapt to different floor surfaces that remove everything from small dust to large deposits.Filter filters fine dust to reduce dust, pollen and other allergens from penetrating into the air you breathe.As part of normal maintenance, it can be easily removed and replaced.It is best to replace spare parts every 2 to 3 months to keep the machine running at its best performance.Fitment: For Ecovacs Deebot T9 AIVI T9 PRO T9 MAX T9 POWERColour: blueMaterial: plasticPackage Contents:2 * Roller brushes3 * Filter screens6 * 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.