General description For Qrevo Curve/P20 Pro Robot Vacuum Cleaner Parts are made of high-quality materials, ensuring durability and effective cleaning performance. The side brush allows your vacuum cleaner to reach into corners for a more thorough cleaning, while the filter effectively captures fine dust, reducing dust, pollen, and other allergens in the air. Technical specifications Material: Plastic Package Contents: 1 set of roller brush, 2 side brushes, 2 HEPA filters, 4 mop cloths, 2 dust bags Measurement allowed error: +/- 1-3 cm Usage For optimal performance, it is recommended to replace spare parts every 2 to 3 months. The uniquely designed brushes with rubber treads adapt to different floor surfaces, effectively removing everything from small dust to large deposits.