General description The 30Pcs Accessories for Roborock S8 Maxv Ultra Robot Vacuum Cleaner is a comprehensive replacement kit designed specifically for the Roborock S8 Maxv Ultra and S8 Max Ultra models. This economical choice includes essential components to maintain the performance of your vacuum cleaner. Technical specifications Package Contents: 30 pieces total 2 Main Brushes 6 Side Brushes 4 HEPA Filters 4 Mop Cloths 6 Dust Bags 1 Self-Cleaning Brush 1 Water Tank Brush 1 Cleaning Brush 1 Screwdriver Dust Bag Filtration: 99% of dust particles and allergens down to 2.5 µm HEPA Filter Efficiency: Filters up to 99.5% of dirt, pollen, and small dust particles Compatibility and accessories Compatible with Roborock S8 Maxv Ultra and S8 Max Ultra vacuum cleaners Usage Main Brush Replacement: every 6-12 months Side Brush Replacement: every 3-6 months HEPA Filter Replacement: every 3-6 months VibraRise Mop Replacement: every 1-3 months Dust Bag Replacement: every 1-2 months