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Blak-Ray UVL Ultraviolet Light UVL-21

  • $20.00
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Color and intensity of the fluorescence can identifty many materials. The urine will glow in the dark using a blacklight (longwave UV light). Since the UV light is relatively weak, it works best to da...
Condition:Used
Time left:4d 17h 27m
Item location:Maryland
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