General description These 20PCS Reusable Side Brushes for Ultenic T10 and Proscenic M8Pro Robot Vacuum are made from high-quality materials, ensuring durability and a perfect fit for your equipment. Regularly replacing these cleaning accessories helps maintain your robot's peak performance and reduces the infiltration of dust, pollen, and other allergens into your home environment. Technical specifications Material: Plastic Package Contents: 20 Side Brushes Measurement allowed error: +/- 1-3 cm Usage To achieve optimal cleaning and filtering results, it is recommended to replace the cleaning accessories every 2-3 months, depending on usage frequency. The HEPA filter included can significantly improve air quality by reducing particle size by up to 99.97%, effectively removing household dust, pet dander, and other allergens. Additionally, the pre-filter helps eliminate unpleasant odors from pets, smoke, cooking fumes, and various household products.