Dust bag, which effectively filters out 99% of dust. . The mop pad is reusable, powerful and long-lasting. The filter effectively filters fine particles such as dust in the air, significantly extending the life of the robot vacuum cleaner. Let your vacuum cleaner go deep into for a more thorough cleaning, the filter can filter fine dust, reducing the infiltration of dust, pollen and other into the air you breathe. As part of normal maintenance, it can be easily removed and replaced, and it is best to replace the spare parts every 2 to 3 months to keep the machine running at optimal performance<br><br>Colour:As Shown Material:plastic+cloth<br><br>Package Contents: 6 * filter screen 2 * Mop Cloth 2 * dust bag<br><br>Only the above package content, other products 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.