GE Replacement Compact UV tube 11W 9"
This is a compact lamp with a 2 pin connector (not as shown in the image)
Will Fit A wide Range Of Filters And UVC Systems That Require A 11 Watt Lamp I.E.Hozelock, Fish Mate, Kockney KoiAnd Many More.
A UVC Lamp Should Be Replaced Every 6-12 Months