Master Flow 8 in. x 4 ft. Half Section Rectangular Duct

Master Flow 16 in. x 8 in. x 4 ft. Half Section Rectangular Duct

• Can be cut to needed length with simple tin snips (not included)
• Always seal seams with code-approved mastic, sealant or duct tape (not included)
• Sold in Half Sections – 2 pieces needed for complete section of duct
• Notched corners for easily connecting sections, or use cleats (cleats not included)
• Install with sheet metal screws (not included)
• Sections easily snap together with no tools necessary
• Always insulate ductwork for greater system efficiency and comfort

Master Flow’s sturdy Rectangular Duct is used as the main trunk lines in HVAC supply systems. Two L sections snap together to form the rectangular duct. Sold in “L” sections. Two pieces must be ordered to produce a full section of duct. Drive and “S” Cleats are sold separately. Constructed of 28 Gauge galvanized steel.