DuraVent PelletVent Pro 3" Inner Diameter Stainless Steel Vent Pipe with Black Outer Wall - 24" Length: A venting pipe with a 3" inner diameter is required for this unit. You may need to utilize this elbow when installing a vent for a pellet stove. The outside wall of the elbow is black. The vent elbow has a diameter of 3". The vent is specifically intended for use with wood pellet and corn-burning stoves. The elbow will assist in getting the venting around corners and obstacles. The base of the elbow may swivel 360 degrees. The outside wall is galvalume with a thickness of .018". The inner wall is made of stainless steel with a thickness of .012". The air is insulated by the double wall construction.

24 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 Sleek black finish UL Listed Limited lifetime warranty