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
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- Sections easily snap together with no tools necessary
- Can be cut to needed length with simple tin snips (not included)
- Notched corners for easily connecting sections, or use cleats (cleats not included)
- Always seal seams with code-approved mastic, sealant or duct tape (not included)
- Install with sheet metal screws (not included)

















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