Use for horizontal through-the-wall terminations when a vertical rise is desired in the system to meet appliance manufacturer recommended minimum heights. Do not enclose in the wall or install below grade.ADA Compliant: No Fuel Type: Gas, Liquid Propane Height: 23-3 4 Length: 14 Material: Stainless 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: 8-7 8