This cathedral ceiling support box is used to pass through a ceiling and support pipe. It may be used on vaulted or flat ceilings. Painted black and the trim and clamp are included.ADA Compliant: No Depth: 10-5 8 Finish: Black Fuel Type: Gas, Liquid Propane Height: 14 Material: Aluminum, Galvanized Steel Pipe Class: Direct Vent Pipe Inside Diameter: 5 x 8 Pipe Shape: Round Style: Contemporary Modern UL Listed: Yes Vent Construction: Double Wall Weight: 4 Width: 10-5 8