Hollow turning vane and vane rail are designed to redirect the air through elbows and tees in the ductwork without significant loss of air pressure. Assembled Vane & Rail minimizes turbulence in the ductwork.
The vane rail has self aligning tabs for easy vane installation|26 ga steel
Duro Dyne DYN-O-MATE Turning Vane, 10 ft Length, 2 in Width, Steel, Galvanized, Domestic