Specifications Hign-concerned Chemical:None Vacuum Part Type:BRUSHES Model Number:For Roborock S7 S70 S75 S7 Maxv Ultra/T7S Type:Vacuum Cleaner Parts There are multiple products in this link, please purchase according to the product image displayed in the option, and we will ship the product according to the image you selected 1.Compatible with RoborockS7 S70 S75 S7MaxV/S7 Maxv Ultra/S7 MaxV Plus/T7S/T7S Plus/S7 Pro Ultra/G10 2.Our accessories feature materials for exceptional performance. Rubber brushes remove stains while protecting floors. The larger dust bag fits snugly, preventing leaks. High-absorbency cloths guard against water damage. Soft side brushes tackle dust in tight spaces. The filter eliminates 99.97% of particles as small as 0.3 microns 3.Regularly replacing these accessories is essential to maintain your robot vacuum's peak performance. While you can wash and reuse some parts, wear and tear can't be fixed. We recommend replacing the rubber brushes for various surfaces every 6 months, and the sweeping side brushes and filters every 2 months to ensure your vacuum stays in excellent condition