The DirectVent Pro 4 x 6-5 8 Inner Diameter Galvanized High-Wind Termination Cap is a component that is used in a typical venting installation. Use for vertical terminations only. Provides improved performance in high wind conditions for vertical terminations only.ADA Compliant: No Depth: 10-1 2 Finish: Galvanized Fuel Type: Gas, Liquid Propane Height: 12-3 8 Material: Aluminum 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: 2 Width: 10-1 2