DS-VK vertical installation kit. Telescoping length and pipe adapter with finishing sleeve. Adjustable from 38" to 68". Pipe adapter with finishing sleeve connects Sure-Temp chimney to telescoping length, which is designed to directly connect to a top outlet appliance. Designed with double wall construction and a durable stainless steel inner liner. Intended to be used in place of standard single wall stove pipe. Interlocking joints, secured with screws provided, allow for quick and easy system assembly. Air space between inner and outer pipe allows reduced clearance to combustibles. 6" clearance to combustibles for 6" pipe as compared to 18" for standard single wall pipe. Engineered for superior smoke venting and safety. Helps reduce creosote build-up. Installation requires no cutting. Stainless steel inner liner, matte black steel outer casing. 6" I.D.