Oase BioSmart UVC 16000Oase BioSmart UVC 16000 is a solid flow through filter which guarantees clear and healthy pond water thanks to the combination of a large filter foam surface and integrated UVC technology. The integrated 11w UVC unit ensures fast elimination of suspended algae and reduction of pathogens, while the sludge drain helps for easy removal of coarse debris. Suitable for ponds up to 16. 0 m and comes with the Oase Guaranteed Clear Water through the