They are JBJ Formosa's. It is the 2X55 watt one acintic one white bulb 24" length on the housing. Two cooling fans built in to it that are on a switch. Each of the bulbs are controlled by separate switches on the case.89 drop top stang said:before you do that.....what brand, size (length), how many and what kind of bulbs do you have in it right now? I'm looking for a new light for my saltwater tank.