Measuring 4 ft long and equipped with six 54 Watt T5HO lamps, Model HALS-48-6L-T5HO produces 30,000 lumens of light. Lamps are held in place by spring loaded sockets and protected by hinged door with 3/16 in. tempered glass lens that is secured in place with 4 turn latches. Operating on voltages from 120–277 Vac, Class 1 Division 2 explosion proof fixture has T4A temperature rating and is suited for open air locations where flammable chemical vapors may be occasionally encountered.