The Vitronic 11w UVC is suitable for ponds up to a maximum of 10,000 litres and comes complete with a twin high powered 11w PLS UV lamp. The Oase Vitronic 11w UVC can be combined with any pond filter system to provide clear water and piece of mind. The Vitronic UVC Clarifiers from Oase are highly effective against suspended green water algae, bacteria and germs. The Oase Vitronic is a top quality UVC which will help keep your pond water clear. The Vitronic UVC works by making the small particles of algae that cause green water clump together, so that they can be removed by your filter system. Specifications Item Dimensions: 319 x 284 x 99mm Power: 230v / 50Hz UVC Power: 11w Max. flow rate: 1,700lph Outlets: 19/25/32/38mm Suitable for ponds: With Fish: 5,000L Without Fish: 10,000L With Koi: 2,500L

Easy installation thanks to an extensive range of connection accessories. High quality PL UVC bulb included. 2 year manufacturer guarantee. New: Direct installation on the BioSmart (18 and 36 models). 100 %, VDE-certified safety; does not cause eye injuries. Impact resistant plastic housing. Quick release for easy bulb change and cleaning of quartz sleeve. Visual function check. Effective elimination of green algae, pathogens and bacteria.