As part of normal maintenance, it can be easily removed and replacedStrong suction and sweeping of fine dust, hair, debris and other daily ground garbage. With the anti cleaning design, it is clean, less maintenance and more worry free.The main brush body is light, effectively reducing the burden of the sweeping robot, reducing power consumption, protecting the life of the sweeping robot motor and battery, and prolonging the service life of the sweeping robotThe powerful cleaning function makes household cleaning more time-saving and labor-saving. It is suitable for a of floors such as ceramic tiles, marble, and wood floors.It is recommended that you replace spare parts every 2 to 3 months depending on the frequency of use to keep the machine running at its performanceApplicable Models: For Bot L30 UltraMaterial: plasticcolour: black orangePackage Contents: 2 x Main BrushOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.