Provide maximum air pattern flexibility in a single vane, available in horizontal face vanes (used for air drop correction) or vertical face vanes (used for lateral air pattern adjustments). Heavy gauge, extruded aluminum, anodized finish construction frame, with rigid corner clips fasteners to assure greater strength and tighter rigid smooth fitting corners. Streamline extruded aluminum vanes of 18mm deep 19mm Centers allow for smooth and uniform air distribution. Nylon self lubricating bushing in frame holes to eliminate rattling and vibration. White the standard color, other colors are available upon request