Can be used for fixed offsets of 15 deg slope or in pairs for offsets adjustable from zero to 30 deg slope. Greater angles are prohibited by UL standard 103 and by the terms of the product listing. Required locking bands (2 packaged with each elbow kit) allow 360 deg rotation and lock the components together in place at the exact offset required. Insulated elbows can be used at the same 2 in air space clearance as chimney sections. Includes 2 elbows, 2 locking bands and interior resupport.
