This is a duct cover that can be attached to the Eco Flow Wave2 and Wave3. By attaching it, you can prevent the entry of dust and debris from the outside and improve the appearance! Please ask any questions in the comments. Brand: NemRily Condition: New, unused Compatible products: EcoFlow Wave2 Wave3 Inventory: 4 for EcoFlow WAVE2 / WAVE3 Duct Cover Mounting Parts Set (Large and Small) Prevents rainwater, insects, and debris from entering. Improves appearance. Can be incorporated into DIY projects.