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A black light bulb (also referred to as a UV-A light with the BL designation) is a fluorescent bulb that while white when it is turned off, produces ultraviolet light (called black light) and does not have the integral UV filter that Black Light Blue (BLB) bulbs have. Black Light (BL) bulbs do glow purple when in use and are commonly found in Bug Zappers. Black Light Blue bulbs can be identified by their purple colored glass when they are NOT in operation.


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F4T5/BL 4 WATT T5 BLACK LIGHT FLUORESCENT G5 BASE F8T5/BL 8 Watt T5 Black Light Fluorescent G5 Base
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F4T5/BL 4 WATT T5 BLACK LIGHT FLUORESCENT G5 BASE, F4T5/BL BLACK LIGHT FLUORESCENT G5 BASE, F4T5BL, BLACK LIGHT, EIKO #15503, BLACK LITE, F4T5-BL, #01321B F8T5/BL 8 Watt T5 Black Light Fluorescent G5 Base,F8T5/BL 8 WATT T5 BLACK LIGHT FLUORESCENT G5 BASE, F8T5BL, F8T5/BL, #15515,#02717B
F4T5/BL 4 WATT T5 BLACK LIGHT FLUORESCENT G5 BASE - 4 Watt T5 Preheat Black Light, Miniature Bi-Pin (G5) Base, 6,000 Hour F8T5/BL 8 Watt T5 Black Light Fluorescent G5 Base - 8 Watt T5 Preheat Black Light Fluorescent Bulb, Miniature Bi-Pin Base, 7,500 Hour
FUL12T6/BL Black Light Bug Zapper Bulb G16QA Base FUL15T6/BL Black Light Bug Zapper Bulb G16QA Base
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FUL12T6/BL BLACK LIGHT BUG ZAPPER FLUORESCENT G16QA BASE FUL15T6/BL BLACK LIGHT BUG ZAPPER FLUORESCENT G16QA BASE, FUL15T6/BL, FUL15 BLACK LIGHT, # BF-35, FLOWTRON BF35, BF35, BUG ZAPPER BULB
FUL12T6/BL BLACK LIGHT BUG ZAPPER FLUORESCENT G16QA BASE - 12 Watt T6 FUL Black Light, 5,000 Hour FUL15T6/BL BLACK LIGHT BUG ZAPPER FLUORESCENT G16QA BASE - 15 Watt T6 FUL Black Light, 5,000 Hour
FUL25T8/BL Black Light Bug Zapper Bulb G16qA Base FUL40T8/BL Black Light Bug Zapper Bulb G16qA Base
List Price: $20.00
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FUL25T8/BL Black Light Bug Zapper Bulb G16qA Base, BLACK LIGHT BUG ZAPPER FLUORESCENT G16QA BASE, FUL25T8/BL, FUL25,BUG ZAPPER BULB FUL40T8/BL BLACK LIGHT BUG ZAPPER FLUORESCENT G16QA BASE, FUL40T8/BL, FUL40 BLACK LIGHT, FLOWTRON# BF-150, FLOWTRON BF150, BF150, BUG ZAPPER BULB
FUL25T8/BL Black Light Bug Zapper Bulb G16qA Base - 25 Watt T8 FUL Black Light, 5,000 Hour FUL40T8/BL BLACK LIGHT BUG ZAPPER FLUORESCENT G16QA BASE - 40 Watt T8 FUL Black Light, 5,000 Hour
   
 
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A black light bulb (also referred to as a UV-A light with the BL designation) is a fluorescent bulb that while white when it is turned off, produces ultraviolet light (called black light) and does not have the integral UV filter that Black Light Blue (BLB) bulbs have. Black Light (BL) bulbs do glow purple when in use and are commonly found in Bug Zappers. Black Light Blue bulbs can be identified by their purple colored glass when they are NOT in operation.