Electronic Ballast Guaranteed to Work with Emperor Aquatics - SmartUV 65 Watt UV Light Bulb for Germicidal Water Treatment Size_50mL The ceramic bulb has four

The ceramic bulb has four pin on a single end for better purification and the system is compatible with OEM Water sterilization filters

Calutech - 6721 HU UV Light Bulb is 36 watts and 100% compatible with germicidal OEM Air sterilization filters

End Cap: Ceramic C3

Tube Diameter: 1

Electronic Ballast Guaranteed to Work with Emperor Aquatics - SmartUV 65 Watt UV Light Bulb for Germicidal Water Treatment Size_50mL The ceramic bulb has 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