DuraVent PelletVent Pro 3" Inner Diameter Stainless Steel Vent Pipe with Galvalume Outer Wall - 6" Length: A venting pipe with a 3" inner diameter is required for this unit. It can be difficult to properly assemble a ventilation system for a pellet or corn-fueled fireplace since the appropriate parts are hard to come by. DuraVent has a whole array of devices that can be used in this case. This vent pipe portion is dual walled for easy installation and requires only 1" of clearance. The twist lock connection makes installation straightforward, and the 18-gauge galvalume outer wall sheaths a 16 gauge stainless steel inner wall for durability.

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