General description New and high-quality materials are used in the Soft Velvet Roller Brush for vacuum cleaners, ensuring excellent workmanship and a high compatibility with your device. This cleaning accessory helps maintain your home robot's optimal performance while effectively reducing the infiltration of dust, pollen, and other allergens into the air you breathe. Technical specifications Material: Plastic Package Contents: 2 * Replacement roller brush Measurement allowed error: +/- 1-3 cm Usage For optimal cleaning and filtering effects, it is recommended to replace the cleaning accessories every 2-3 months, depending on the frequency of use. The powerful cleaning function makes home cleaning more time-saving and labor-saving, and the brush is suitable for various floor types, including tiles, marble, and wooden floors.