A 90 Degree Ducting Elbow is great for smoothing out air flow in your grow room which increases effectiveness and decreases noise.

90 Degree Ducting Elbow Available Sizes:

90° Bend 4 Inch (102mm) Elbow  
90° Bend 5 Inch (127mm) Elbow  
90° Bend 6 Inch (152mm) Elbow
90° Bend 8 Inch (204mm) Elbow
90° Bend 10 Inch (254mm) Elbow
90° Bend 12 Inch (315mm) Elbow
90° Bend 14 Inch (355mm) Elbow