Compatibility: Wheeled box cover is a replacement part for replacing the robot H6 H7 vacuum cleaner dust container. Reasons to replace the case cover: If you find that your vacuum cleaner's dust lock has been , or the vacuum cleaner has become weaker than before during operation, or there is a dust leak, this means that you need to replace the wheeled case cover in time. A dustproof container lid is the Compatibility and quality: Our clear vacuum cleaner container LIDS can be 100% matched to wheeled bins and are thicker. The raw materials we choose are more and strong, and open and close freely. Easy installation: We provide a very simple replacement method, you do not need to worry about installation, just 1 minute to help you replace the dustproof lid, quickly put into use Before buying, check your vacuum cleaner model and compare your entire case lid to our picture. Colour:As Shown Material:plastic Package Contents: 4 x Seal cover 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.