【Scope of application】The replacement parts are only for Xiaomi X10 Robot Vacuum Cleaner. Please check your machine type before ordering. 【Main brush and side brush】The roller brush has dense bristles, snaps into place quickly, and can be replaced quickly and easily. The side brush has soft bristles for deep cleaning of edges and corners. 【Mop cloths and filter】The mop pad is soft and thick, and the chenille cleaning surface has highly twisted bristles that fully adhere to the floor and thoroughly clean stains. The HEPA filters are made of Made from high-strength, environmentally friendly materials that block most dust and dirt. 【Dust Bag】Large capacity can absorb up to 7 weeks of dust and capture 99.7% of small particles floating in the air.