Connects into the ceiling support box or finishing collar and extends down to fit into stovepipe for a drip-free connection to a DuraTech, DuraPlus, or DuraLiner Chimney system. Provides a strong mechanical connection. Adapter will work with all 6”-8” DuraPlus, and 7”-8” DuraTech installations. Adapter will work with 5”-6” DuraTech Ceiling Support Box installations only. Note: Do not use with DuraTech Premium or DuraTech Canada.