Electronic Ballast Guaranteed to Work with Sunlight - 3098 UV Light Bulb for Germicidal Water Treatment HP502C23 The lamp has a four

The lamp has a four pin base on a single end that helps in purifying air and water

End Cap: Metal M1

88 inches and an arc length of 42 inches

All Water Master brand names

Electronic Ballast Guaranteed to Work with Sunlight - 3098 UV Light Bulb for Germicidal Water Treatment HP502C23 The lamp has a fourUV 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