Product details:

Venting a pellet stove can be a pain--but Dura-Vent's here to take your headaches away. If you need to transition your pellet venting to another diameter when installing PelletVent Pro pipes, this 4-inch diameter tee adaptor with increaser makes it easy. This adapter and increaser features durable galvalume construction and exterior finish. It features a 3 inch inner diameter branch section. Make sure your pellet stove is vented right with this handy tee adaptor with increaser from Dura-Vent.