Imperial 6 in. D X 7 in. D Galvanized Steel Stove Pipe Increaser

The 6" Black Matte Increaser is used for connecting single wall stove pipe to chimneys and vent stacks. Allows for 6 inch diameter round pipe to connect to 7 inch diameter round pipe. Sturdy, 24 gauge construction designed for optimal heat efficiency and long-term use. Crimped on one end to easily fit into pipe or fitting of the same diameter.