Electronic Ballast Guaranteed to Work with Ideal Horizons / Wedeco 42051 Replacement UVC Lamp UVDRX-1164 the lamp bulb is filled

the lamp bulb is filled with mercury and is 100% compatible to the Honle UV systems

It is resistant

VUTEk - QS220

The UVC light bulb is a much better option for chemicals and their byproducts usually associated with the chlorination of water

Electronic Ballast Guaranteed to Work with Ideal Horizons / Wedeco 42051 Replacement UVC Lamp UVDRX-1164 the lamp bulb is filledUV 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