Miele Fine Dust Filter is designed to maintain suction power and effectively filter the smallest dust particles from the air, ensuring your living spaces stay clean and fresh. This filter features a specially pleated material that captures ultrafine dust particles, enhancing air quality and protecting your vacuum’s performance. For easy maintenance, simply tap the filter to remove dust when not in use. To keep your vacuum working at its , it is to replace the filter every three to four years. Model Number: