General description Brand new and high quality roller brush designed for Tefal Rowenta Explorer/X-Plorer 20, 40, and 50 Serie Smart Force Robot Vacuum Cleaners. Made of high-quality materials, this brush is durable and perfectly matched with the equipment. It adjusts and rotates while the sweeper is in operation, effectively sweeping dust into the dust container without damaging furniture and ensuring quiet operation. Technical specifications Material: Plastic Package Contents: 2 Roller Brushes, 1 Clean Brush Measurement allowed error: +/- 1-3 cm Usage As part of normal maintenance, the roller brush can be easily removed and replaced. It is recommended to replace the spare parts every 2 to 3 months, depending on the frequency of use, to maintain optimal performance.