Koi LED Bollard, Cooper Lighting io The Koi Bollard Series illuminates pedestrian walkways using Cooper Lighting io's energy-efficient Plane steplight, Line .75, and Line 1.5 luminaires. Finished with FSC-certified wood, Koi comes in five different styles (K4, shown) and sizes, ranging in height from 20 ¼ inches to 36 ¼ inches, and uses 8W to 15W LEDs. The fixture incorporates vandal-resistant hardware and is UL-listed for wet environments. cooperlighting.com