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Ultraviolet (UV-C) 280nm Nichia NCSU334A LED Module
Nichia NCSU334A UVC SMD LED, 55mW, 280nm | the leading LED-shop by LUMITRONIX
270-280nm SMD Ultraviolet LED 3030 Buy with a Suitable Price-Resili.net ®
UV Light Santizer Lamp, UVC Germicidal LED Bulb with Remote Control and Lamp Holder, 36W 110V 260-280nm UV-C Wavelength for Household Disinfection - - Amazon.com
High Power 3535 275-280nm 0.2W Deep UV LED Ultraviolet Violet light LED Diode | eBay