[High-quality materials] Roborack S8 Pro Ultra replacement parts are made of high-quality environmentally friendly materials, rubber main brush and side brushes help sweep and stir up dirt and debris for a thorough cleaning. The mop cloth is made of microfiber, highly absorbent and lint-free, the HEPA filter is made of H13 grade filter paper, which can absorb all kinds of pet hair and airborne matter. [Hepa Filter] The HEPA filter is made of high-strength environmentally friendly materials, which can block most dust down to 0.3 micrometers. The filter can maintain the cleaning performance of the sweeper, while reducing the penetration of dust, pollen and other allergens into the air you breathe. The powerful cleaning function makes household cleaning more efficient and more economical. It is suitable for a variety of floors such as ceramic tiles, marble and wooden floors. It is recommended to replace the spare parts every 2-3 months depending on the frequency of use to keep the