The DirectVent Pro 4 x 6-5 8 Inner Diameter Galvanized Chimney Conversion Kit C is a component that is used in a typical venting installation. The chimney conversion kit includes cap adapter and a retro connector. DirectVent Pro 4 x 6-5 8 Termination Cap and 4 flex are sold separately. Use the chimney conversion kit with 4 x 6-5 8 direct vent gas stoves and existing through the ceiling wood stove metal chimney. Route the exhaust gases and intake air through the existing wood stove metal chimney.ADA Compliant: No Bottom Diameter: 13 Fuel Type: Natural Gas, Liquid Propane Height: 5-7 8 Includes: Cap Adapter, Retro Connector Material: Galvanized Steel Pipe Class: Direct Vent Pipe Inside Diameter: 4 x 6-5 8 Pipe Shape: Round Style: Contemporary Modern Top Diameter: 6-5 8 UL Listed: Yes Vent Construction: Double Wall Weight: 3