GE Replacement Compact UV tube 5W 4"

This is a compact lamp with a 2 pin connector as shown in the image

Will Fit A wide Range Of Filters And UVC Systems That Require A 5 Watt Lamp I.E. Hozelock, Fish Mate, Kockney Koi and Many More.

A UVC Lamp Should Be Replaced Every 6-12 Months