General description Replacement Brush Rollers for Freo X Ultra Robot Vacuum are made of high-quality materials and feature uniquely designed brushes with rubber treads. These brushes adapt to various floor surfaces, effectively removing everything from small dust particles to larger debris. Regular maintenance is essential for optimal performance. Technical specifications Material: Plastic Package Contents: 2 x roller brush, 1 x clean brush Measurement allowed error: +/- 1-3 cm Usage It is recommended to replace the brush rollers every 2 to 3 months to maintain the vacuum's performance. Other information Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product.