Current Usa ACU02046 SunPaq Dual Actinic 420nm/460nm Aquarium Bulb with Square Pin, 96-watt SunPaq dual actinic 96-watt bulb SunPaq lamp is handcrafted with the best components, phosphors and rigorously tested, setting a new standard in compact fluorescent lighting Dual actinic bulb features both 420nm and 460nm actinic tube within each lamp and GY10Q square gold-plated pin configuration High quality Philips lamp filament provides the right amount of kick to fire the lamp and maintain high lumen output Measures 33-1/2-inch length by 1-3/4-inch width by 1-inch height