The DirectVent Pro 4 x 6-5 8 Galvanized Sconce Termination Cap (Aluminum) is a component that is used in a typical venting installation. This patented sconce termination cap is used for horizontal through the wall terminations. Check installation instructions for restrictions on horizontal cap terminations, such as minimum distance from windows and doors. Check with appliance manufacturer for approval.ADA Compliant: No Finish: Galvanized Fuel Type: Gas, Liquid Propane Material: Aluminum, Galvanized Steel Pipe Class: Direct Vent Pipe Inside Diameter: 4 x 6-5 8 Pipe Shape: Round Style: Contemporary Modern UL Listed: Yes Weight: 4 Width: 11