DuraVent PelletVent Pro 12" Adjustable Stainless Steel Vent Pipe with Black Outer Wall - 3" Inner Diameter - 3PVP-12AB: A venting pipe with a 3" inner diameter is required for this unit. Dura-Vent Vent's Pro 12" adjustable vent pipe allows you to vent pellet and corn-fueled stoves and inserts efficiently. This vent pipe has a .012" stainless steel inner wall, and a .018" galvalume outer wall is air insulated and comes with double wall construction. This pipe adjusts from 4" to 10" and has laser welded seams and comes with the patented Secure Twist-lock connections. These components are UL listed, have a 1" clearance to combustibles, and come with a lifetime warranty.

Efficiently vents pellet and corn-fueled stoves and inserts Adjusts 4" to 10" .012" stainless steel inner wall and .018" galvalume outer wall Air-insulated double-wall construction Laser-welded seams Secure twist-lock connections Sleek black finish 1" clearance to combustibles UL Listed Limited lifetime warranty Dimensions: 3" inner diameter with a 3 5/8" outer diameter 12" length