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LED Ring Kit 2.6" OD (#11713) | NightFire Electronics LLC
Micro-Lite® High Intensity Ultraviolet LED Ring Illuminator - UV2000-B - O.C. White Co.
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Aven Tools 26200B-215 UV LED Ring Light, 365nm
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Amazon.com: AmScope Dual Channel White Ultraviolet LED Ring Light : Electronics
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UV 365nm / 395nm 5W 80 LED Microscope Compact Ring Light Lamp wi Built-in Dimmer | eBay
