Perfectly Compatible: Replacement Parts Compatible with ECOVACS T8 T5 Series Robot Vacuum Cleaner Models(Please confirm your robot model before purchase) High Quality Materials: Parts of the vacuum cleaner are designed for a long service life. Accessories are rigorously tested for compatibility and durability. Made of a very resistant and environmentally friendly material. High efficiency filtration: the filters reduce the infiltration of dust, which helps to rid the air of dust, allergens and other particles. The side brush gets deep into corners and edges to remove more dirt, dust and debris. Maintenance: We recommend replacing parts every 2-3 months, depending on frequency of use, in order to maintain the machine at its maximum performance. Set includes: 1 main brush, 8 side brushes, 3 filters... A set of great value, a choice handy for your ECOVACS T8 series robot vacuum cleaner.