General description Made of high-quality material, this set of 2 main roller brushes is designed for the Dreame M12/M12 Pro Robot Vacuum Cleaner. They can be easily removed and replaced as part of normal maintenance, ensuring optimal performance. Technical specifications Material: Plastic Color: As shown Package Contents: 2 * Main Brush Measurement allowed error: +/- 1-3 cm Usage It is recommended to replace the roller brushes every 2-3 months to maintain the best performance of the machine. The antimicrobial filter traps dust and allergy particles during cleaning, making it ideal for asthmatics, allergy sufferers, or pet owners. Other information Please note that light reflection and different displays may cause the color of the item to differ slightly from the actual product. The physical color difference does not affect the use, so there is no need for concern.