Remodeez Blue Solid No Scent Deodorizer 0.25 lbs. for Small Spaces

This furnace pipe reducer from Imperial Manufacturing serves as a connecting tool for two round pipes with different diameters. You can connect 6 inches round pipe to a 3 inches round pipe using this furnace vent pipe. This galvanized steel furnace pipe is a sturdy, 26 gauge construction designed for optimal heat efficiency and durability. It is crimped on one end to fit into pipe or fittings with the same diameter easily.