ILS make Flameproof Weatherproof Reactor Vessel Lamp with Rotary Switch with Citizen / Bridgelux make COB LED and FULHAM make LED driver made in die cast Aluminium Alloy LM6 Suitable for Zone 1 & 2, gas group IIA & IIB, with IP66 ingress protection with all stainless steel hardware and painted with epoxy based powder coated structured paint having temp class T6 certified by CIMFR