Current Usa ACU02030 SunPaq 460nm Actinic Bulb with 10Q Square Pin, 65-watt SunPaq 460nm actinic 65-watt bulb SunPaq lamp is handcrafted with the best components, phosphors and rigorously tested, setting a new standard in compact fluorescent lighting Actinic bulb features a 460nm phosphor for enhanced coloration 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 21-1/4-inch length by 1-3/4-inch width by 1-inch height