Per Xiaomi Robot Aspirapolvere X20 C101 / X20 Plus Accessori Aspirapolvere Ricambio
For Xiaomi Robot Vacuum X20 C101. For Xiaomi Robot Vacuum X20+. it's easy to remove dirt, dust, and trash in corners and edges from the accessories, especially human hair and pet's hair. The accessories should be replaced every 2 to 3 months.