Electronic Ballast Guaranteed to Work with Master Water Conditioning GPH330T5VH/4 Replacement UVC Light Bulb Siemens LP4570 If you already have the

If you already have the air purifier and need replacement bulbs

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Guaranteed 100% Compatible Replacement Ultraviolet (UV) Lamp - Mercury Wavelength - 38 Inch Arc Length

The replacement lamp has high UV output and longer service life

CureUV’s ultraviolet replacement bulbs are compatible with the following models:

Electronic Ballast Guaranteed to Work with Master Water Conditioning GPH330T5VH/4 Replacement UVC Light Bulb Siemens LP4570 If you already have theUV 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