Electronic Ballast Guaranteed to Work with WTA 05-0347-1 Replacement UVC Light Bulb EcoRay ELR30 The bulb has an arc

The bulb has an arc length of 26 inches and an overall length of 31

The lamp bulb is a single pin on both ends with a total length of 61

4 Pin on a Single End - 42 Watt Germicidal Air & Surface Treatment Bulb

With a total length of 36

Electronic Ballast Guaranteed to Work with WTA 05-0347-1 Replacement UVC Light Bulb EcoRay ELR30 The bulb has an arcUV 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