This Master Flow 10 in. x 3-1/4 in. 90-Degree Rectangular Elbow is made of galvanized steel and can be cut to the angle you need to create a long-way 90-degree turn in rectangular stack duct runs.
- Galvanized steel construction
- Creates a long-way, right-angle turn in rectangular stack duct runs
- Installs with sheet-metal screws
- Can be cut as needed to form a smaller angle
- Insulate ductwork for system efficiency and comfort
- Seal seams with code-approved mastic, sealant or duct tape (not included)