Featuring Class 1 Division 2 Groups A/B/C/D approval, UL 1598A-listed HALP-48-2L-LED-SIBAB-SS is designed to handle wet and corrosive marine environments. This 4 ft long, 2-lamp fixture, equipped with 2 stainless steel I-beam clamps and 2 stainless steel adjustable flange brackets, outputs 6,720 lm total with 120 lm/W efficacy. Once installed, center of light fixture housing will sit 1–1 ½ ft below I-beam, and operator can adjust fixture 45° in each direction.