Hearth Craft Reflection RF41240 Grey Glass Polished Brass Bi Fold Fireplace Door with Gate Mesh media Not running the same size UDX100 AA2 AC1 AG2 AL1 AL14 AZ0 Not running the same size stove pipes or running the pipe line from a large stove opening to end on a small chimney pipe will cause draft issues and excessive creosote within the pipes that will reduce the efficiency of your stove The black trim piece is used to trim off the ceiling support (TGCSP) if the ceiling drywall has covered the built in support box trim on new construction Hearth Craft fireplace doors have been a top choice of homeowners in search of quality door designs that support the personality of their homes Hearth Craft Reflection Fireplace Door is available in ten (10) powder coat finishes: Ancient Age