Electronic Ballast Guaranteed to Work with Aprilaire - 87N77 UV Light Bulb for Germicidal Air Treatment GL-5891 The lamp uses UV light

The lamp uses UV light to inactivate and kill bacteria

or 230V AC

CureUV’s Durst Rho 600 LB2099042 UV Curing Lamp Bulb is a guaranteed 100% replacement bulb that is filled with mercury and has an arc length of 12"

Guaranteed 100% Compatible Replacement Ultraviolet (UV) Lamp - Iron Doped - 10 Inch Arc Length - 14 Inch Total Length (end to end)

The medium viscose

Electronic Ballast Guaranteed to Work with Aprilaire - 87N77 UV Light Bulb for Germicidal Air Treatment GL-5891 The lamp uses UV lightUV 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