Electronic Ballast Guaranteed to Work with Ultra Dynamics - UDS-6 UV Light Bulb for Germicidal Water Treatment SLI108 Guaranteed 100% Compatible Replacement Ultraviolet

Guaranteed 100% Compatible Replacement Ultraviolet (UV) Lamp - Gallium Wavelength - 42 Inch Arc Length - 47

Sunlight Systems 3098

EA Pondmaster 70-18340

So instead of just filtered air in your system

Based on the length and wavelength

Electronic Ballast Guaranteed to Work with Ultra Dynamics - UDS-6 UV Light Bulb for Germicidal Water Treatment SLI108 Guaranteed 100% Compatible Replacement UltravioletUV 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