Master Flow 3-1/4 in. x 10 in. Short Way 90 Degree Rectangular Elbow

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 of zinc-coated, 30-Gauge galvanized steel. You can install this elbow with sheet metal screws (not included). It is recommended to seal seams with code approved mastic, sealant or duct tape.