General description 100% new and high quality, this set of replacement parts for Qrevo S/QRevo Pro/QRevo MaxV Robot Vacuum Cleaner is made of high-quality materials. The side brushes allow your vacuum cleaner to reach into corners for a more thorough cleaning, while the HEPA filter effectively captures fine dust, reducing dust, pollen, and other allergens in the air. Technical specifications Material: Plastic Package Contents: 2 roller brushes, 6 side brushes, 2 HEPA filters, 4 mop cloths, 6 dust bags, 1 screwdriver Measurement allowed error: +/- 1-3 cm Usage For optimal performance, it is recommended to replace the 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.