Selkirk Corporation 8T-EL30 KIT 8 Inch Ultra-Temp Elbow Kit 30 Degree Designed for use with 8-inch inner diameter chimney pipe Elbow kit includes - 4 elbow sections 4 locking bands and 2 interior resupports The 30-degree insulated elbows can be used for fixed offsets of 30-degree slopes Elbows rotate 360 degrees to create the exact angle desired Greater angles than those described above are prohibited by UL Standard 103 and by the terms of the products listing Locking bands -included must be used at each joint Each offset must be resupported Minimum 2-inch clearance to all combustibles is required Type HT all-fuel chimney listed to UL103HT safety standards