General description Robot Vacuum Double Roller Brush Filter Side Brushes Mop Dust Bags are designed for optimal cleaning performance with S8 MaxV Ultra and G20S Robot Vacuums. Made from high-quality, environmentally friendly materials, these accessories effectively remove dirt, dust, and pet hair from corners and edges. Technical specifications Compatible Models: S8 MaxV Ultra, G20S Materials: Plastic, microfiber, non-woven fabric Dust Bag Efficiency: Captures 99.7% of ultra-fine dust down to 0.3 micrometers Filter Efficiency: Blocks most dust down to 0.3 micrometers Package Contents: 1 Pair x Roller Brush, 4 x Side Brushes, 4 x Dust Bags, 4 x Mop Cloths, 4 x Round Rags, 4 x Filters Measurement Allowed Error: +/- 1-3 cm Usage It is recommended to replace spare parts every 2 to 3 months, depending on usage frequency, to maintain optimal cleaning performance.