Selkirk MODEL DFS Dual Fuel (Small) Piping System

Model DFS is a Neutral or Negative Draft Venting System for Appliances Burning Gas or #2 Oil. The double wall construction of Model DFS includes a Stainless Steel inner liner, 1/2" air space and galvanized outer casing. Model DFS is listed for use as a Type L Vent, a Type B Gas Vent and a Building Heating Appliance Chimney.

5" Diameter Adjustable Length

Simply slides over another pipe length (Note: do not use over an Elbow or Tee) Includes Pipe Clamp.  

• Adjustable Length: 6" to 12"