Master Flow's adjustable elbows are used to make turns in runs of round pipe and flexible duct through 90 degree . They have a sturdy galvanized steel construction and are simple to adjust. They are also crimped on one end to easily fit into a pipe or other fitting of the same diameter.
7 Inch 90-Degree HVAC Elbow Duct - Galvanized 30 Gauge Adjustable
Imperial Manufacturing 7 28 Gauge 90 Degree Galvanized Adjustable
The Master Flow 3-1/4 in. x 10 in. Short Way 90° Rectangular Elbow helps create right angle turns in rectangular stack duct runs. This elbow is made
3-1/4 in. x 10 in. Short Way 90 Degree Rectangular Elbow
Round Pipe Adj 90 Elbow (3 - 7) - DuctWorks
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Tee Duct
The Sheet Metal Kid 6 Adjustable Duct Elbow 90 Degree HVAC
7 Inch 90-Degree HVAC Elbow Duct - Galvanized 30 Gauge
IMPERIAL 7-in Galvanized Steel Round Adjustable 90 Degree Duct