Marquis by Kingsman 5x8 inch Diameter Hard Pipe Adapter Z57DFA5x8 inch Diameter Marquis by Kingsman Hard Pipe Adapter Z57DFA Product Details This Kingsman Z57DFA Hard Chimney Pipe Adapter is just one item in the Kingsman Horizontal Power Vent Starter Kit for 5 8" Chimney Collection. These adapter parts are just one way that Kingsman caters to any home design. There are many universal parts for installing a fireplace in your home, but at times you need some unique parts that help the fireplace or chimney adapt to