and high quality,Made of high-quality materials, more durable Side brush allows your vacuum cleaner to reach deeper into the carpet for a more thorough cleaning Filter filters fine dust to reduce dust, pollen and other allergens from penetrating into the air you breathe. Uniquely designed brushes with rubber treads to adapt to different floor surfaces that remove everything from small dust to large deposits. 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 For iRobot Roomba Combo Essential Y0112 Robot Vacuum Cleaner Colour: As Shown Material: Plastic Package Contents: 1x roller brush 3x side brush 3x hepa filter 3x mop cloth 1x clean brush Only 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.