Easily connectround duct directly to the supply or return opening of a package unit with this insulated square-to-round duct adapter. Constructed from durable 26 gauge G90 galvanized steel, each adapter includes a 3" beaded duct collar, 1/2" mounting flanges, and 1" duct liner insulation for a clean, dependable installation.
Available in multiple sizes to fit common package unit applications. Some sizes are sold as individual adapters, while others are sold as matched sets.
