BioSmart 7000 Pond Filter Set by Oase (UK) LtdComplete set with pump optimally matched to the filter the ideal introduction to the proven OASE filter technology. The OASE BioSmart filter ensures clear and healthy pond water thanks to the combination of a large filter foam surface and integrated UVC technology. The proven cleaning handles enable convenient filter foam cleaning, without removal from the filter. The integrated pollutant level indicator signals the right time for cleaning. Product