General description These replacement parts are professionally designed to be perfectly compatible with S7 MaxV Ultra and S7 Pro Ultra robot vacuum cleaners, ensuring optimal performance. Technical specifications Material: High-quality plastic HEPA filter efficiency: Blocks 99% of particles as small as 0.3 microns Package Contents: 1 x roller, 1 x high-speed brush, 6 x side brushes, 4 x filters, 6 x dust bags, 4 x mop cloths, 1 x cleaning brush Measurement allowed error: +/- 1-3 cm High Quality The main roller brush and side brushes are made of soft and wear-resistant plastic material, effectively removing dust and debris from corners and edges without damaging the floor. High Performance The reusable microfiber mop pad easily wipes stubborn stains, leaving your floors clean and bright. The self-cleaning roller brush features high-density bristles that remove dirt from the used pad during the self-cleaning process. The dust bag is designed with a strong rubber seal and tough material