Killark KFS405-76 - Rugged weathertight housing of copperfree aluminum with corrosion resistant bronze finish. Wide beam distribution. Thermal shock, impact-resistant lens. Continuous silicone gasketing. All external hardware is corrosion resistant including HubbellGard® ceramic coated screws. Trunnion mounting-heavy gauge, hot dip galvanized steel mounting with stainless steel hardware. 3/4” NPT entry on back lower left The KF Series HID floodlights are designed with a copper-free aluminum housing and painted with a bronze powder epoxy finish for superior corrosion resistance in harsh and hazardous environments. The KF Series floodlight are suitable for wet locations and high ambient areas. - Class I, Division 2, Groups A, B, C, D - Class I, Zone 2, Groups IIC, IIB, IIA - Class II, Division 2, Groups F, G - Class III, Divisions 1 & 2