Electronic Ballast Guaranteed to Work with Custom SeaLife - Double Helix 18W Pond UV Light Bulb for Germicidal Water Treatment Base_single Pin 2 100% Compatible Replacement for Lamp/Model

100% Compatible Replacement for Lamp/Model Number: GPH463T5L/4

Iron Doped 22" Arc

FT40V3UP or FT30V3UPNS

American Ultraviolet System Model:

Electronic Ballast Guaranteed to Work with Custom SeaLife - Double Helix 18W Pond UV Light Bulb for Germicidal Water Treatment Base_single Pin 2 100% Compatible Replacement for Lamp/ModelUV 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