GE Replacement UV T5 tube 4W 5.5
This is a T5 tube which means it is thinner than standard flourescent tubes
Will Fit A wide Range Of Filters And UVC Systems That Require A 4 Watt Lamp I.E.Hozelock, Fish Mate, Kockney KoiAnd Many More.
A UVC Lamp Should Be Replaced Every 6-12 Months