\INCREASER 6\"-7\" (BIG END CRIMP\""
The 6" to 7" black matt increaser is used for connecting single wall stove pipe to chimneys and vent stacks. Allows for 6" diameter round pipe to connect to 7" 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.