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Standard Branches have one "leg" coming off of the main line at either a 45 degree or 30 degree angle for optimal air flow.  Branches are constructed of 18 gauge steel which allows us to solid weld the branching part to the trunk to ensure a very tight seal.<br><br>

US Duct Clamp Together Y Branch, 45 &#176; 12-12-12, 12&quot; Diameter, Galvanized, 18 Gauge

clamp-together-y-branch-45-deg-12-12-12-12-inch-diameter-galvanized-18-gage

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