DuraVent DuraTech 6" Inner Diameter All-Fuel Stainless Steel Chimney Elbow Kit with Galvalume Outer Wall - 30-Degree: A vent pipe with a 6" inner diameter is required for this unit. Two galvalume double-walled elbows and one elbow strap are included in this chimney elbow package. The elbows can be utilized to compensate for obstacles in the venting system. The base of the elbow swivels 360 degrees, making proper alignment a little easier. A layer of ceramic refractory material is sandwiched between the exterior galvalume wall and the inner stainless wall, allowing for a 2" clearance to combustibles. The twist-lock mechanism is used to join the parts. The warranty on these elbows is limited to a lifetime.

30 Degree Elbow Double-wall chimney elbows for venting wood oil coal and gas appliances Offsets venting obstructions Swivels 360¡ at base .021" galvalume outer wall and .020" stainless steel inner wall Insulated by a layer of ceramic refractory blanket Secure twist-lock connections 2" clearance to combustibles 6" inner diameter with an 8" outer diameter Kit includes: two (2) galvalume elbows and one (1) elbow strap Limited lifetime warranty UL Listed