This fits your . Make sure this fits by entering your model number. The replacement kits are compatible with the Xiaomi MI Robort Pro robotic vacuum cleaner. We recommend replacing parts every 2-3 months to keep your machine performing at its best. The replacement time also depends on your usage frequency and environment. Our replacement filter is made of high-strength and environmentally friendly materials, it can be easily removed from corners and edges. Also easy to install and use.