General description Replacement parts for the For X40 Pro Ultra Robot Vacuum Cleaner, designed for high performance and durability. These components are made of high-quality materials to ensure effective cleaning and maintenance. Technical specifications Material: Plastic Package Contents: 1 pair of roller brushes, 6 side brushes, 4 HEPA filters, 4 mop cloths, 4 dust bags Measurement allowed error: +/- 1-3 cm Usage The side brush allows the vacuum cleaner to reach into corners for a more thorough cleaning. The filter captures fine dust, reducing dust, pollen, and other allergens in the air. Uniquely designed brushes with rubber treads adapt to different floor surfaces, effectively removing small dust and larger debris. It is recommended to replace spare parts every 2 to 3 months for optimal performance.