Use a duct elbow to add an angled bend into your exhaust / airflow set-up in your grow room. Nominally a 90 degree bend, the duct elbows are adjustable for easier connection. Suitable for joining flexible ducting or round piping. Made from heet metal in a variety of sizes: 4″, 6″, 8″, 10″, 12″
- Adjustable Duct Elbow for home HVAC Duct.
- 90 Degree Metal Elbow Adjustable.
- Sheet Metal HVAC Elbow.
- Easy to install HVAC Duct Elbow