100 pipe length 6" stainless steel flexible liner Light weight: A vent pipe with a 6" inner diameter is required for this unit. The DuraFlex SW is the product to use if you have gas, wood pellet, oil, or wood burning appliances such as fireplace inserts, furnaces, boilers, or water heaters. It ensures that heating units are vented safely and efficiently, while also safeguarding the brick chimney from the destructive effects of flue product condensation. The 6DFSW100 is intended for use with non-condensing gas coal and oil appliances that burn wood pellets. Titanium is made for harder environments with higher corrosion resistance, such as coal. DuraFlex Stainless Steel has a 0" clearance to masonry for gas, while for pellet and oil applications, it has a 1" clearance to masonry. For a 0" clearance to masonry, insulation is required.

100 pipe length 6" stainless steel flexible liner Light weight