General description For T20 Robot Vacuum Cleaner, this high-quality maintenance kit includes essential components to ensure optimal performance. The kit features a main roller brush, side brushes, HEPA filters, mop pads, and dust bags, all designed to enhance the cleaning efficiency of your vacuum cleaner. Technical specifications Material: Plastic Package Contents: 1x roller brush, 4x side brushes, 4x HEPA filters, 4x mop cloths, 4x dust bags Measurement allowed error: +/- 1-3 cm Usage Regular maintenance is crucial for your vacuum cleaner's performance. It is recommended to replace spare parts every 2 to 3 months to keep the machine running at its best. Other information Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product.