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Ledvance - Desinfektions-Keimtötungslampe mit Sensor UVC/32W/230V 253,7nm UVC | Beleuchtung
LED 25W 24V Ultraviolet 222nm 253.7NM 270NM 265NM 290nm 308nm light tube for Medical disinfection| | - AliExpress
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253.7nm UV Sterilization LED Germicidal Light Ultraviolet Portable Light UV Light Germicidal Lamp - China Light, UVC Light | Made-in-China.com
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4-Wavelength High-Power LED Source
CROWN LED UV-C Portable Disinfection Lamp | Proven to Kill Up to 99.9% of Viruses, Bacteria and Germs On Various Surfaces | Ultraviolet Sterilization | No Chemical Sanitizer I 253,7nm UV C :