The Dust box is suitable For Xiaomi Roborock S5 Max Roborock S6 Pure Roborock S6 Maxv Roborock T7 pro,It can not be used for other models. 1. Easy to replace 2. Protect the life of the vacuum cleaner and improve the performance of the vacuum cleaner. be careful: Before purchasing, please check the model of the vacuum cleaner and the size and shape of each part to avoid purchasing the wrong product. It is recommended that you clean the parts of the vacuum cleaner every 1-2 weeks, and replace the parts of the vacuum cleaner every 3-6 months or according to your usage, so as to keep the best performance of the machine Material:plastic colour:Transparent Package Contents: 1 x Dust box 2 x Water wash filter Only the above package content, other products are not included. Note: Light shooting 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.