GPH287T5L Ultraviolet Sterilizer Bulb
GPH287T5L
Replacement UV Lamp / Bulb.
Type: 11 1/4" BiPin Germicidal Lamp
Connection: Bi-pin both ends
This bulb might not necessarily be manufactured by your utraviolet system's manufacturer, but it functions correctly as a replacement for this system.
Manufacturers recommend changing your UV Sterilizer Bulb once a year.