AllPondSolutions 18w Pond / Aquarium UV Steriliser
The All Pond Solutions CUV-118 18w UV Light Steriliser Unlike other sterilisers, this unit has three inlet / outlet's - very useful if you want to run the output to a two-fall waterfall, or indeed a waterfall and a filter. The unit comes complete with three stepped hosetails to fit a variety of hose sizes.