General description For Essential Series Robot Vacuum Cleaner Accessories are 100% new and made of high-quality materials. These accessories enhance the vacuum cleaner's ability to reach into corners for a more thorough cleaning. The filter effectively captures fine dust, reducing dust, pollen, and other allergens in the air. Technical specifications Material: Plastic Package Contents: 2 roller brushes, 4 side brushes, 4 HEPA filters, 1 cleaning brush Measurement allowed error: +/- 1-3 cm Usage It is recommended to replace spare parts every 2 to 3 months to maintain optimal performance of the vacuum cleaner. The uniquely designed brushes with rubber treads adapt to various floor surfaces, effectively removing everything from small dust to larger debris.