Empty the filth bin quickly and effectively with out releasing dust into the environment. Effectively seize pleasant grime debris and optimize mechanical device performance. Improved total performance of the vacuum cleaner after installation. Depending on the frequency of use, it's endorsed to replace spare substances every 2 to three months to maintain the best functionality of the machine. Sweeping robot vacuum cleaner dirt removal accessories, alternative components filth box, dirt collection field can be mixed with vacuum cleaner to attain larger cleaning 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 equipment content, varied merchandise shouldn't included. Note: Light reflection and varied displays could cause the color of the article within the picture just a little various from the genuine thing. The size allowed error is +/- 1-3cm.