General description Replacement parts for J20 and W20 Pro Robot Vacuum Cleaner, designed for high-quality performance and thorough cleaning. The set includes various components that help maintain the vacuum's efficiency by filtering fine dust and allergens from the air. Technical specifications Material: Plastic Package Contents: 1 x roller brush, 4 x side brushes, 2 x HEPA filters, 4 x dust bags, 1 x cleaning brush Measurement allowed error: +/- 1-3 cm Usage It is recommended to replace spare parts every 2 to 3 months to ensure optimal performance of the vacuum cleaner. The uniquely designed brushes with rubber treads adapt to different floor surfaces, effectively removing dust and larger debris. 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.