Product HighlightsRectangular trunk duct is used as the main trunk lines in HVAC supply systems. It is light weight, easily modified to fit into areas with space limitations, and can be sealed and insulated which offers a moisture barrier as well as an acoustical barrier for maximum efficiency and comfort. Trunk duct is available in 3', 4', 5', 6' and 8' lengths and comes furnished in Button Snaplock with s-cleat and drive connections.
California residents: see Proposition 65 Warning
Weight 17.80 Pounds Length 60.00 Inches Width 18.00 Inches Height 8.00 Inches Country of Origin USA Brand Southwark R-Value Not Insulated Flanged No Galvanized Yes Color Silver Composition Galvanized Steel Gauge 26 GA Insulated No Size 18" x 8"