Set the atmosphere for the party with this particular awesome Black bulb. Use within homes, theaters, clubs and fashion shows to produce a fun, eery effect. Your visitors may have a lot fun watching their white-colored and fluorescent surfaces glow and dark surfaces become invisible. This 75 Watt bulb may be put into most traditional household lighting fixtures. 1 per package.
75 watt Blacklight bulb BL-75 to be used with standard fixtures. A black-bulb works only in dark room environments and can cause day-glow fluorescent material to glow. These bulbs are utilized in Discos once they turn the lights off. It’s not meant to illuminate an area BLUE and isn’t used by itself to emit visible light since the light is incorporated in the Ultraviolet Spectrum/Ultraviolet light(Ultra violet-A).