For $20, I would buy it just to see what it is. Get a picture of the box and see if it came from Weber. I does have the Weber shape. I don't see any vent holes in the top though.
Team: Pyle's BBQ; Good-One "Trail Boss" 60T; Homemade rig; 22" Weber Kettle w/rotisserie ring; Big A$$ Rotisserie; BGE-Small; Weber Kettle Gold, Weber OTS, New Braunfels offset smoker.
Saddles BBQ Bistro