brand and high quality,Made of high-quality materials, more durable Side brush allows your vacuum cleaner to reach deeper into the carpet compatible 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 per compatiblemance compatible Roborock S5 Max, S6 MaxV, S4 Max, E2, E3, E4, E5, Xiaomi 1S, SDJQR01RR : Material:Plastic Package Contents: 2x roller brush 4x side brush 4x hepa filter 4x mop cloth 1x clean brush 1x main brush cover 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.