The makes it easy to remove dirt, dust and trash from corners and edges. Especially your hair and pet hair. Will not scratch the floor and furniture. The vacuum accessory parts are and easy to install, making your robot vacuum cleaner longer. For best results, the filter should be replaced every 2-3 months. The use of the mini humidifier can effectively reduce the drying,very suitable for office indoor and car use. [Product name] Stone T7 dust box (no filter) [Adaptive model] T7/T7 PRO Colour: transparent Material: ABS environmentally friendly plastics Size: 215x63x78mm Package Contents: 2 * Dust box Only the above package content, other products are not included. Note: Light 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.