Current Usa ACU02032 SunPaq Super Daylight 10000k Bulb with 10Q Square Pin, 65-watt SunPaq 10,000k daylight 65-watt bulb SunPaq lamp is handcrafted with the best components, phosphors and rigorously tested, setting a new standard in compact fluorescent lighting Super daylight bulb features 10,000k daylight spectrum 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