Product review (3 stars): Good size, nicely painted but the actual parts that ...
Good size, nicely painted but the actual parts that you bend to snug this thing into the flue opening really doesn't do a very good job of snugging this thing into the flue opening. Makes me want to add a pile of some nonflammable insulating material behind it that this could be somehow secured to. For now I just used some painters tape around the egde to ensure it stays put.