SELKIRK CORP 244086 4×12 Pellet Stove Pipe

4VP-WZAJ12, 4″ x 12″, Adjustable Pellet Stove Pipe, Type L Vent, Gives Installer The Ability To Add From 2-1/2″ Length To A Maximum Of 10-1/2″ When Slid Over Another Piece Of Type L Pellet Pipe, Proven Coupling Joint Connects In Seconds To Assure Joint Integrity, Gasketed Joint Design, Double Wall Design With 1/4″ Airspace, Inner Wall 304 Stainless Steel, Outer Wall Paintable Galvanized, Rolled Over Male End Eliminates Sharp Edges, 1″ Clearance To Combustibles.