Colour Family: BLACK Assembled Product Length: 13.75" Assembled Product Height: 6.5" Assembled Product Width: 6.5" Diameter: 6" . Used to conjunction with a vertical insulated chimney to provide easy access for inspection and cleaning DIMENSIONS: Top inner wall: 6" Top and bottom outer wall: 6-1/2" Side and bottom inner wall: 5-29/32" Length: 13-3/4" Length from bottom to middle of tee: 6"