Selkirk Metalbestos 8T-EL15KIT 8-Inch Stainless Steel Insulated 15 Elbow Kit 15-Degree insulated elbows can be used for fixed offsets of 15-Degree slope or in pairs for offsets adjustable from zero degrees to 30-Degree slope Can be used at the same two inch air space clearance as chimney sections Requires 2 elbows for each offset Includes two elbows, and one resupport Stainless Steel