Exactly the same problem I had! Again I had to call Rick's 1st Gen because I found out in their catalog they sometimes have in stock good used center vent ductwork. They had one and I bought it. It has attachment holes where the center chrome bezel bolts up to it. Then you will use the oval to round adapter piece that came with your kit to which the flex hose will then attach. I also had to trim some pieces of felt to shim the chrome vent because it flopped all over the place. Good luck!