[High-quality materials] Roborack S8 Pro Ultra replacement parts are made of high-quality environmentally friendly materials, the rubber main brush and side brushes help sweep and stir up dirt and debris for a thorough clean. The mop cloth is made of microfiber, which is 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 [Good Sealing] --- The dust bag is made of blown cloth and non-woven fabric, combined with the cleaning station can effectively capture 99.7% of ultrafine dust down to 0.3 tiny particles. [REUSABLE AND DURABLE] Made of premium microfiber material, S8 Pro Ultra robot mop pads are