The RD8 bollard provides unsurpassed optical versatility to fulfill a wide range of lighting needs, including driveway, sidewalk and pathway. The glass refractor optics - Type 5 with or without house side shield and Type 3 - direct light outward for maximum spacing. The cone optics provide an efficient, even illumination. Specular and white powder-coated louvers direct light downward for optimum control. Available in 24", 30", 36" and 42" heights.