10″ Dia. 12″ Length Adjustable B-Vent Pipe

Description

12″ Length Adjustable B-Vent Pipe. (11″ Outer Diameter).

Use to add length to a straight length of Type B Vent. 12″ adds 3″-10″ of length, 18″ adds 10″-16″ of length. Requires a 2″ overlap. 10″ Inner Diameter with 11″ Outer Diameter.