Lumistar Ex Light Guide Luminaire Lumiflex Type ESL 55LED ALF Ex, stainless steel is Ideal for spotlighting processes on machines and reactors where space is restricted; suitable for use in potentially explosive operating areas. Using the factory-fitted, pressure-tight encapsulated power lead (standard length 2 m), which is temperature resistant up to 110°C, complete with screwed gland. Other cable length available on request: 10 m.