This is a Master Flow Top Take-off 6" HVAC Duct (mdl# TTO6) made of galvanized steel. It is perfect for use in heating, cooling, and air systems, particularly for ducting and duct hoses. The brand of this item is Master Flow, and it is brand new, never been used.

This item has a diameter of 6 inches and is ideal for home improvement projects. It can be used in various categories such as Home & Garden and Heating & Cooling: Parts & Accessories. If you are looking for a high-quality duct made of galvanized steel, this Master Flow Top Take-off 6" HVAC Duct is the perfect item for you.