Electronic Ballast Guaranteed to Work with American Ultraviolet GML405 Replacement UVC Light Bulb H-SUV-SS-600 The replacement lamp bulb has

The replacement lamp bulb has a four pin on a single end base

Guaranteed 100% Compatible Replacement Ultraviolet (UV) Lamp - Mercury Wavelength - 27

With non-ozone glass

Dichroic Reflector Set for IST UV Part # 1-330-NA-2 UV Curing Lamp

Electronic Ballast Guaranteed to Work with American Ultraviolet GML405 Replacement UVC Light Bulb H-SUV-SS-600 The replacement lamp bulb hasUV ballast guaranteed to work with your UV germicidal system Features: Guaranteed to work with your UV Germicidal Bulb. Comes complete with wiring diagram necessary to run your bulb(s) Industry leading 5 YEAR WARRANTY UL Listed Ballasts can be complicated. Nobody replaces ballasts regularly. Inevitably, ballasts are needed when you go to change out the UV bulb at your machine's recommended intervals when you realize that the new bulb is not lighting