Empty the filth bin quickly and effectively without liberating dust into the environment. Effectively seize high-quality grime debris and optimize mechanical device performance. Improved complete performance of the vacuum cleaner after installation. Depending at the frequency of use, it is recommended to replace spare ingredients each 2 to three months to maintain the finest functionality of the machine. Sweeping robotic vacuum cleaner filth removing accessories, alternative elements filth box, dirt sequence box can be combined with vacuum cleaner to attain greater cleansing effect. Compatible with model: for Mi Robot Vacuum-MJST1S (Model Name: for Mijia 2 2Pro) Material: plastic colour: Transparent white Package Contents: 1 x Dust Box Only the above kit content, different merchandise usually are not included. Note: Light mirrored image and various exhibits may cause the color of the thing within the picture a little different from the genuine thing. The length allowed error is +/- 1-3cm.