1These replacement parts are made of high quality materials and can be used for a long time. 2The main brush and side brush can help you effectively remove dirt and dust from corners and dead corners. 3The filter can filter out particulate matter such as dust and impurities, and maintain the cleanliness and tidiness of the room. 4The main brush, side brush and filter are easy to install and replace, and can directly replace old or damaged parts. 5Regular replacement can effectively improve the working efficiency and prolong the service life of the sweeping robot. 6This robot cleaner fittings suite is perfect fit for Xiaomi Robot Vacuum Cleaner. Condition: 100% Brand New Item Type: Robot Vacuum Cleaner Accessories Material: ABS Weight: Approx. 265g / 9.3oz Size: Side Brush: Approx. 12x12cm / 4.7x4.7in Main Brush: Approx. 4x4x19.5cm / 1.6x1.6x7.7in Filter: Approx. 16x5x1cm / 6.3x2.0x0.4in Fitment: Fit for Xiaomi Mijia Robot Vacuum Cleaner .w-e-text table td,.w-e-text table th,.wang-edit-text table td, .wang-edit-text table th{border: .5pt solid 000;};.w-e-text table,.wang-edit-text table{border: 1px solid 000 important;}4 x Filters2 x Main Brushes6 x Side Brushes1.Please allow 0-1 inch error due to manual measurement. Thanks for your understanding.2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.